157449837 has 16 divisors (see below), whose sum is σ = 222566912. Its totient is φ = 98832960.

The previous prime is 157449833. The next prime is 157449857. The reversal of 157449837 is 738944751.

It is a happy number.

It is not a de Polignac number, because 157449837 - 2² = 157449833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157449833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19438 + ... + 26319.

It is an arithmetic number, because the mean of its divisors is an integer number (13910432).

Almost surely, 2^157449837 is an apocalyptic number.

It is an amenable number.

157449837 is a deficient number, since it is larger than the sum of its proper divisors (65117075).

157449837 is a wasteful number, since it uses less digits than its factorization.

157449837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45828.

The product of its digits is 846720, while the sum is 48.

The square root of 157449837 is about 12547.9016970966. The cubic root of 157449837 is about 539.9838095283.

The spelling of 157449837 in words is "one hundred fifty-seven million, four hundred forty-nine thousand, eight hundred thirty-seven".