45772539 has 8 divisors (see below), whose sum is σ = 64242240. Its totient is φ = 28908936.

The previous prime is 45772481. The next prime is 45772541. The reversal of 45772539 is 93527754.

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

It is not a de Polignac number, because 45772539 - 2²⁰ = 44723963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45772539.

It is not an unprimeable number, because it can be changed into a prime (45772039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401457 + ... + 401570.

It is an arithmetic number, because the mean of its divisors is an integer number (8030280).

Almost surely, 2^45772539 is an apocalyptic number.

45772539 is a deficient number, since it is larger than the sum of its proper divisors (18469701).

45772539 is a wasteful number, since it uses less digits than its factorization.

45772539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803049.

The product of its digits is 264600, while the sum is 42.

The square root of 45772539 is about 6765.5405549003. The cubic root of 45772539 is about 357.7132286242.

The spelling of 45772539 in words is "forty-five million, seven hundred seventy-two thousand, five hundred thirty-nine".