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143022132 = 223311131919
BaseRepresentation
bin10001000011001…
…01100000110100
3100222010021111000
420201211200310
5243103202012
622105243300
73354445101
oct1041454064
9328107430
10143022132
1173806710
123ba93530
1323827aa6
1414dcdaa8
15c851ddc
hex8865834

143022132 has 96 divisors (see below), whose sum is σ = 408038400. Its totient is φ = 42962400.

The previous prime is 143022091. The next prime is 143022149. The reversal of 143022132 is 231220341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155169 + ... + 156087.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 2143022132 is an apocalyptic number.

143022132 is a gapful number since it is divisible by the number (12) 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 143022132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204019200).

143022132 is an abundant number, since it is smaller than the sum of its proper divisors (265016268).

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

143022132 is a wasteful number, since it uses less digits than its factorization.

143022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143022132 is about 11959.1860927071. The cubic root of 143022132 is about 522.9591297196.

Adding to 143022132 its reverse (231220341), we get a palindrome (374242473).

The spelling of 143022132 in words is "one hundred forty-three million, twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 131 132 198 262 297 393 396 524 594 786 919 1179 1188 1441 1572 1838 2358 2757 2882 3537 3676 4323 4716 5514 5764 7074 8271 8646 10109 11028 12969 14148 16542 17292 20218 24813 25938 30327 33084 38907 40436 49626 51876 60654 77814 90981 99252 120389 121308 155628 181962 240778 272943 361167 363924 481556 545886 722334 1083501 1091772 1324279 1444668 2167002 2648558 3250503 3972837 4334004 5297116 6501006 7945674 11918511 13002012 15891348 23837022 35755533 47674044 71511066 143022132