2457902157 has 8 divisors (see below), whose sum is σ = 3316687584. Its totient is φ = 1618859088.

The previous prime is 2457902147. The next prime is 2457902191. The reversal of 2457902157 is 7512097542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2457902157 - 2⁴ = 2457902141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457902147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4935298 + ... + 4935795.

It is an arithmetic number, because the mean of its divisors is an integer number (414585948).

Almost surely, 2^2457902157 is an apocalyptic number.

It is an amenable number.

2457902157 is a deficient number, since it is larger than the sum of its proper divisors (858785427).

2457902157 is an equidigital number, since it uses as much as digits as its factorization.

2457902157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871179.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 2457902157 is about 49577.2342613018. The cubic root of 2457902157 is about 1349.5475680071.

Adding to 2457902157 its reverse (7512097542), we get a palindrome (9969999699).

The spelling of 2457902157 in words is "two billion, four hundred fifty-seven million, nine hundred two thousand, one hundred fifty-seven".