45642045 has 8 divisors (see below), whose sum is σ = 73027296. Its totient is φ = 24342416.

The previous prime is 45642019. The next prime is 45642073. The reversal of 45642045 is 54024654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45642045 - 2⁷ = 45641917 is a prime.

It is a congruent number.

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, 1521387 + ... + 1521416.

It is an arithmetic number, because the mean of its divisors is an integer number (9128412).

Almost surely, 2^45642045 is an apocalyptic number.

It is an amenable number.

45642045 is a deficient number, since it is larger than the sum of its proper divisors (27385251).

45642045 is a wasteful number, since it uses less digits than its factorization.

45642045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042811.

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

The square root of 45642045 is about 6755.8896527400. The cubic root of 45642045 is about 357.3729674013.

Adding to 45642045 its reverse (54024654), we get a palindrome (99666699).

The spelling of 45642045 in words is "forty-five million, six hundred forty-two thousand, forty-five".