157830620 has 24 divisors (see below), whose sum is σ = 331735824. Its totient is φ = 63076736.

The previous prime is 157830613. The next prime is 157830637. The reversal of 157830620 is 26038751.

It is a happy number.

157830620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

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, 25907 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (13822326).

Almost surely, 2^157830620 is an apocalyptic number.

157830620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157830620 is an abundant number, since it is smaller than the sum of its proper divisors (173905204).

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

157830620 is a wasteful number, since it uses less digits than its factorization.

157830620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949 (or 6947 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 157830620 is about 12563.0657086557. The cubic root of 157830620 is about 540.4187652450.

The spelling of 157830620 in words is "one hundred fifty-seven million, eight hundred thirty thousand, six hundred twenty".