157631562 has 64 divisors (see below), whose sum is σ = 402278400. Its totient is φ = 45249840.

The previous prime is 157631519. The next prime is 157631563. The reversal of 157631562 is 265136751.

157631562 is a `hidden beast` number, since 1 + 576 + 31 + 56 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (157631563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4303 + ... + 18269.

It is an arithmetic number, because the mean of its divisors is an integer number (6285600).

Almost surely, 2^157631562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157631562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201139200).

157631562 is an abundant number, since it is smaller than the sum of its proper divisors (244646838).

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

157631562 is a wasteful number, since it uses less digits than its factorization.

157631562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008 (or 14002 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 157631562 is about 12555.1408594249. The cubic root of 157631562 is about 540.1914753078.

The spelling of 157631562 in words is "one hundred fifty-seven million, six hundred thirty-one thousand, five hundred sixty-two".