45605939 has 4 divisors (see below), whose sum is σ = 45624624. Its totient is φ = 45587256.

The previous prime is 45605897. The next prime is 45605957. The reversal of 45605939 is 93950654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45605939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45605896 and 45605905.

It is not an unprimeable number, because it can be changed into a prime (45605999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (11406156).

Almost surely, 2^45605939 is an apocalyptic number.

45605939 is a deficient number, since it is larger than the sum of its proper divisors (18685).

45605939 is a wasteful number, since it uses less digits than its factorization.

45605939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18684.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 45605939 is about 6753.2169371345. The cubic root of 45605939 is about 357.2787070008.

The spelling of 45605939 in words is "forty-five million, six hundred five thousand, nine hundred thirty-nine".