157749162 has 16 divisors (see below), whose sum is σ = 315638400. Its totient is φ = 52559712.

The previous prime is 157749143. The next prime is 157749211. The reversal of 157749162 is 261947751.

It is a happy number.

It is a super-2 number, since 2×157749162² = 49769596223404488, which contains 22 as substring.

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, 13983 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (19727400).

Almost surely, 2^157749162 is an apocalyptic number.

157749162 is an abundant number, since it is smaller than the sum of its proper divisors (157889238).

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

157749162 is a wasteful number, since it uses less digits than its factorization.

157749162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677.

The product of its digits is 105840, while the sum is 42.

The square root of 157749162 is about 12559.8233267829. The cubic root of 157749162 is about 540.3257773587.

The spelling of 157749162 in words is "one hundred fifty-seven million, seven hundred forty-nine thousand, one hundred sixty-two".