2304568157 has 4 divisors (see below), whose sum is σ = 2311978656. Its totient is φ = 2297157660.

The previous prime is 2304568111. The next prime is 2304568193. The reversal of 2304568157 is 7518654032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2304568157 is a prime.

It is a super-2 number, since 2×2304568157² = 10622068780516753298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304568657) 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, 3704783 + ... + 3705404.

It is an arithmetic number, because the mean of its divisors is an integer number (577994664).

Almost surely, 2^2304568157 is an apocalyptic number.

It is an amenable number.

2304568157 is a deficient number, since it is larger than the sum of its proper divisors (7410499).

2304568157 is an equidigital number, since it uses as much as digits as its factorization.

2304568157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410498.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2304568157 is about 48005.9179372710. The cubic root of 2304568157 is about 1320.8794562069.

The spelling of 2304568157 in words is "two billion, three hundred four million, five hundred sixty-eight thousand, one hundred fifty-seven".