9000157 has 4 divisors (see below), whose sum is σ = 9529596. Its totient is φ = 8470720.

The previous prime is 9000143. The next prime is 9000163. The reversal of 9000157 is 7510009.

9000157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 6610041 = 1546^2 + 2571^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000157 - 2¹¹ = 8998109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264694 + ... + 264727.

It is an arithmetic number, because the mean of its divisors is an integer number (2382399).

Almost surely, 2^9000157 is an apocalyptic number.

It is an amenable number.

9000157 is a deficient number, since it is larger than the sum of its proper divisors (529439).

9000157 is a wasteful number, since it uses less digits than its factorization.

9000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529438.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 9000157 is about 3000.0261665526. The cubic root of 9000157 is about 208.0095918284.

The spelling of 9000157 in words is "nine million, one hundred fifty-seven", and thus it is an aban number.