4531390157 has 32 divisors (see below), whose sum is σ = 5467564800. Its totient is φ = 3673410048.

The previous prime is 4531390153. The next prime is 4531390189. The reversal of 4531390157 is 7510931354.

It is not a de Polignac number, because 4531390157 - 2² = 4531390153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4531390157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531390153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4754393 + ... + 4755345.

It is an arithmetic number, because the mean of its divisors is an integer number (170861400).

Almost surely, 2^4531390157 is an apocalyptic number.

It is an amenable number.

4531390157 is a deficient number, since it is larger than the sum of its proper divisors (936174643).

4531390157 is a wasteful number, since it uses less digits than its factorization.

4531390157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 4531390157 is about 67315.6011411916. The cubic root of 4531390157 is about 1654.7935482381.

The spelling of 4531390157 in words is "four billion, five hundred thirty-one million, three hundred ninety thousand, one hundred fifty-seven".