157444956 has 36 divisors (see below), whose sum is σ = 421398432. Its totient is φ = 49394304.

The previous prime is 157444951. The next prime is 157444957. The reversal of 157444956 is 659444751.

157444956 is a `hidden beast` number, since 157 + 4 + 4 + 495 + 6 = 666.

157444956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157444951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128020 + ... + 129243.

It is an arithmetic number, because the mean of its divisors is an integer number (11705512).

Almost surely, 2^157444956 is an apocalyptic number.

It is an amenable number.

157444956 is an abundant number, since it is smaller than the sum of its proper divisors (263953476).

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

157444956 is a wasteful number, since it uses less digits than its factorization.

157444956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257290 (or 257285 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 157444956 is about 12547.7072009192. The cubic root of 157444956 is about 539.9782295750.

The spelling of 157444956 in words is "one hundred fifty-seven million, four hundred forty-four thousand, nine hundred fifty-six".