157216044 has 24 divisors (see below), whose sum is σ = 367306240. Its totient is φ = 52338384.

The previous prime is 157216019. The next prime is 157216069. The reversal of 157216044 is 440612751.

It is an interprime number because it is at equal distance from previous prime (157216019) and next prime (157216069).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917 + ... + 17835.

Almost surely, 2^157216044 is an apocalyptic number.

It is an amenable number.

157216044 is an abundant number, since it is smaller than the sum of its proper divisors (210090196).

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

157216044 is a wasteful number, since it uses less digits than its factorization.

157216044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16749 (or 16747 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 157216044 is about 12538.5822165028. The cubic root of 157216044 is about 539.7164080193.

Adding to 157216044 its reverse (440612751), we get a palindrome (597828795).

The spelling of 157216044 in words is "one hundred fifty-seven million, two hundred sixteen thousand, forty-four".