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142401168 = 243271310867
BaseRepresentation
bin10000111110011…
…01111010010000
3100220221201200100
420133031322100
5242423314133
622044052400
73346250520
oct1037157220
9326851610
10142401168
1173422118
123b834100
132366b260
1414cab680
15c77ce13
hex87cde90

142401168 has 120 divisors (see below), whose sum is σ = 490538048. Its totient is φ = 37552896.

The previous prime is 142401167. The next prime is 142401187. The reversal of 142401168 is 861104241.

It is a happy number.

142401168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142401167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7671 + ... + 18537.

Almost surely, 2142401168 is an apocalyptic number.

142401168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142401168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245269024).

142401168 is an abundant number, since it is smaller than the sum of its proper divisors (348136880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142401168 is a wasteful number, since it uses less digits than its factorization.

142401168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 142401168 is about 11933.1960513519. The cubic root of 142401168 is about 522.2011819768.

The spelling of 142401168 in words is "one hundred forty-two million, four hundred one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 3276 4368 6552 10867 13104 21734 32601 43468 65202 76069 86936 97803 130404 141271 152138 173872 195606 228207 260808 282542 304276 391212 423813 456414 521616 565084 608552 684621 782424 847626 912828 988897 1130168 1217104 1271439 1369242 1564848 1695252 1825656 1977794 2260336 2542878 2738484 2966691 3390504 3651312 3955588 5085756 5476968 5933382 6781008 7911176 8900073 10171512 10953936 11866764 15822352 17800146 20343024 23733528 35600292 47467056 71200584 142401168