157237230 has 16 divisors (see below), whose sum is σ = 377369424. Its totient is φ = 41929920.

The previous prime is 157237207. The next prime is 157237253. The reversal of 157237230 is 32732751.

It is an interprime number because it is at equal distance from previous prime (157237207) and next prime (157237253).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5241241 = 157237230 / (1 + 5 + 7 + 2 + 3 + 7 + 2 + 3 + 0).

It is a congruent number.

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, 2620591 + ... + 2620650.

It is an arithmetic number, because the mean of its divisors is an integer number (23585589).

Almost surely, 2^157237230 is an apocalyptic number.

157237230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157237230 is an abundant number, since it is smaller than the sum of its proper divisors (220132194).

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

157237230 is a wasteful number, since it uses less digits than its factorization.

157237230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241251.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 157237230 is about 12539.4270204025. The cubic root of 157237230 is about 539.7406504947.

Adding to 157237230 its reverse (32732751), we get a palindrome (189969981).

The spelling of 157237230 in words is "one hundred fifty-seven million, two hundred thirty-seven thousand, two hundred thirty".