30077157 has 16 divisors (see below), whose sum is σ = 43845120. Its totient is φ = 18188400.

The previous prime is 30077143. The next prime is 30077213. The reversal of 30077157 is 75177003.

It is not a de Polignac number, because 30077157 - 2⁸ = 30076901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30073157) 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, 22144 + ... + 23462.

It is an arithmetic number, because the mean of its divisors is an integer number (2740320).

Almost surely, 2^30077157 is an apocalyptic number.

It is an amenable number.

30077157 is a deficient number, since it is larger than the sum of its proper divisors (13767963).

30077157 is a wasteful number, since it uses less digits than its factorization.

30077157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

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

The square root of 30077157 is about 5484.2644903396. The cubic root of 30077157 is about 310.9894055937.

The spelling of 30077157 in words is "thirty million, seventy-seven thousand, one hundred fifty-seven".