157694256 has 160 divisors (see below), whose sum is σ = 482112000. Its totient is φ = 49243392.

The previous prime is 157694237. The next prime is 157694293. The reversal of 157694256 is 652496751.

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, 586090 + ... + 586358.

It is an arithmetic number, because the mean of its divisors is an integer number (3013200).

Almost surely, 2^157694256 is an apocalyptic number.

157694256 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 157694256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241056000).

157694256 is an abundant number, since it is smaller than the sum of its proper divisors (324417744).

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

157694256 is a wasteful number, since it uses less digits than its factorization.

157694256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 356 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 157694256 is about 12557.6373574013. The cubic root of 157694256 is about 540.2630816854.

The spelling of 157694256 in words is "one hundred fifty-seven million, six hundred ninety-four thousand, two hundred fifty-six".