45102130 has 16 divisors (see below), whose sum is σ = 81287064. Its totient is φ = 18017920.

The previous prime is 45102097. The next prime is 45102193. The reversal of 45102130 is 3120154.

It can be written as a sum of positive squares in 4 ways, for example, as 43335889 + 1766241 = 6583^2 + 1329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014 + ... + 11806.

Almost surely, 2^45102130 is an apocalyptic number.

45102130 is a deficient number, since it is larger than the sum of its proper divisors (36184934).

45102130 is a wasteful number, since it uses less digits than its factorization.

45102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45102130 is about 6715.8119389989. The cubic root of 45102130 is about 355.9582127024.

Adding to 45102130 its reverse (3120154), we get a palindrome (48222284).

The spelling of 45102130 in words is "forty-five million, one hundred two thousand, one hundred thirty".