2430157 has 16 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 2143152.

The previous prime is 2430149. The next prime is 2430163. The reversal of 2430157 is 7510342.

2430157 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 2430157 - 2³ = 2430149 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 (2430257) 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, 29238 + ... + 29320.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^2430157 is an apocalyptic number.

2430157 is the 1273-rd pentagonal number.

It is an amenable number.

2430157 is a deficient number, since it is larger than the sum of its proper divisors (311603).

2430157 is a wasteful number, since it uses less digits than its factorization.

2430157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2430157 is about 1558.8960837721. The cubic root of 2430157 is about 134.4450377276.

Adding to 2430157 its reverse (7510342), we get a palindrome (9940499).

The spelling of 2430157 in words is "two million, four hundred thirty thousand, one hundred fifty-seven".