157145230 has 16 divisors (see below), whose sum is σ = 308576304. Its totient is φ = 57143680.

The previous prime is 157145221. The next prime is 157145237. The reversal of 157145230 is 32541751.

It is a happy number.

157145230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157145237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714187 + ... + 714406.

It is an arithmetic number, because the mean of its divisors is an integer number (19286019).

Almost surely, 2^157145230 is an apocalyptic number.

157145230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157145230 is a deficient number, since it is larger than the sum of its proper divisors (151431074).

157145230 is a wasteful number, since it uses less digits than its factorization.

157145230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428611.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 157145230 is about 12535.7580544616. The cubic root of 157145230 is about 539.6353619705.

Adding to 157145230 its reverse (32541751), we get a palindrome (189686981).

The spelling of 157145230 in words is "one hundred fifty-seven million, one hundred forty-five thousand, two hundred thirty".