45420339 has 16 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 29523936.

The previous prime is 45420337. The next prime is 45420367. The reversal of 45420339 is 93302454.

It is not a de Polignac number, because 45420339 - 2¹ = 45420337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45420337) 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, 18517 + ... + 20825.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 2^45420339 is an apocalyptic number.

45420339 is a deficient number, since it is larger than the sum of its proper divisors (16672461).

45420339 is a wasteful number, since it uses less digits than its factorization.

45420339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 45420339 is about 6739.4613286226. The cubic root of 45420339 is about 356.7933821550.

The spelling of 45420339 in words is "forty-five million, four hundred twenty thousand, three hundred thirty-nine".