157944768 has 56 divisors (see below), whose sum is σ = 420776400. Its totient is φ = 52285440.

The previous prime is 157944713. The next prime is 157944781. The reversal of 157944768 is 867449751.

It is a self number, because there is not a number n which added to its sum of digits gives 157944768.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25848 + ... + 31368.

Almost surely, 2^157944768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157944768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210388200).

157944768 is an abundant number, since it is smaller than the sum of its proper divisors (262831632).

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

157944768 is a wasteful number, since it uses less digits than its factorization.

157944768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5675 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 157944768 is about 12567.6078869449. The cubic root of 157944768 is about 540.5490163875.

The spelling of 157944768 in words is "one hundred fifty-seven million, nine hundred forty-four thousand, seven hundred sixty-eight".