45042402 has 16 divisors (see below), whose sum is σ = 90691200. Its totient is φ = 14913072.

The previous prime is 45042391. The next prime is 45042419. The reversal of 45042402 is 20424054.

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, 24298 + ... + 26085.

It is an arithmetic number, because the mean of its divisors is an integer number (5668200).

Almost surely, 2^45042402 is an apocalyptic number.

45042402 is an abundant number, since it is smaller than the sum of its proper divisors (45648798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45042402 is a wasteful number, since it uses less digits than its factorization.

45042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50537.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 45042402 is about 6711.3636468306. The cubic root of 45042402 is about 355.8010134446.

Adding to 45042402 its reverse (20424054), we get a palindrome (65466456).

The spelling of 45042402 in words is "forty-five million, forty-two thousand, four hundred two".