157770030 has 64 divisors (see below), whose sum is σ = 437384448. Its totient is φ = 35996160.

The previous prime is 157770017. The next prime is 157770079. The reversal of 157770030 is 30077751.

157770030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157770030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8452 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (6834132).

Almost surely, 2^157770030 is an apocalyptic number.

157770030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157770030 is an abundant number, since it is smaller than the sum of its proper divisors (279614418).

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

157770030 is a wasteful number, since it uses less digits than its factorization.

157770030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28161.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 157770030 is about 12560.6540434804. The cubic root of 157770030 is about 540.3496021470.

The spelling of 157770030 in words is "one hundred fifty-seven million, seven hundred seventy thousand, thirty".