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142162256 = 24191932423
BaseRepresentation
bin10000111100100…
…11100101010000
3100220111120221202
420132103211100
5242343143011
622035010332
73344234135
oct1036234520
9326446852
10142162256
1173279675
123b7399a8
13235b65a2
1414c4858c
15c73223b
hex8793950

142162256 has 40 divisors (see below), whose sum is σ = 291558720. Its totient is φ = 66963456.

The previous prime is 142162253. The next prime is 142162259. The reversal of 142162256 is 652261241.

It is an interprime number because it is at equal distance from previous prime (142162253) and next prime (142162259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142162253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57461 + ... + 59883.

It is an arithmetic number, because the mean of its divisors is an integer number (7288968).

Almost surely, 2142162256 is an apocalyptic number.

142162256 is a gapful number since it is divisible by the number (16) 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 142162256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145779360).

142162256 is an abundant number, since it is smaller than the sum of its proper divisors (149396464).

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

142162256 is a wasteful number, since it uses less digits than its factorization.

142162256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2637 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 142162256 is about 11923.1814546286. The cubic root of 142162256 is about 521.9089793980.

The spelling of 142162256 in words is "one hundred forty-two million, one hundred sixty-two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 19 38 76 152 193 304 386 772 1544 2423 3088 3667 4846 7334 9692 14668 19384 29336 38768 46037 58672 92074 184148 368296 467639 736592 935278 1870556 3741112 7482224 8885141 17770282 35540564 71081128 142162256