45642405 has 32 divisors (see below), whose sum is σ = 75437568. Its totient is φ = 23552000.

The previous prime is 45642397. The next prime is 45642407. The reversal of 45642405 is 50424654.

45642405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45642405 - 2³ = 45642397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45642407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70885 + ... + 71525.

It is an arithmetic number, because the mean of its divisors is an integer number (2357424).

Almost surely, 2^45642405 is an apocalyptic number.

It is an amenable number.

45642405 is a deficient number, since it is larger than the sum of its proper divisors (29795163).

45642405 is a wasteful number, since it uses less digits than its factorization.

45642405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 45642405 is about 6755.9162961067. The cubic root of 45642405 is about 357.3739069877.

The spelling of 45642405 in words is "forty-five million, six hundred forty-two thousand, four hundred five".