156563232 has 144 divisors (see below), whose sum is σ = 485043552. Its totient is φ = 44083200.

The previous prime is 156563213. The next prime is 156563233. The reversal of 156563232 is 232365651.

It is a super-2 number, since 2×156563232² = 49024091228571648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156563193 and 156563202.

It is not an unprimeable number, because it can be changed into a prime (156563233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390232 + ... + 390632.

It is an arithmetic number, because the mean of its divisors is an integer number (3368358).

Almost surely, 2^156563232 is an apocalyptic number.

156563232 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 156563232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242521776).

156563232 is an abundant number, since it is smaller than the sum of its proper divisors (328480320).

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

156563232 is a wasteful number, since it uses less digits than its factorization.

156563232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 496 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 156563232 is about 12512.5230069719. The cubic root of 156563232 is about 538.9683458107.

The spelling of 156563232 in words is "one hundred fifty-six million, five hundred sixty-three thousand, two hundred thirty-two".