45575439 has 32 divisors (see below), whose sum is σ = 76339200. Its totient is φ = 24032736.

The previous prime is 45575429. The next prime is 45575441. The reversal of 45575439 is 93457554.

It is not a de Polignac number, because 45575439 - 2⁴ = 45575423 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45575439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45575429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11674 + ... + 15080.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^45575439 is an apocalyptic number.

45575439 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45575439 is a deficient number, since it is larger than the sum of its proper divisors (30763761).

45575439 is a wasteful number, since it uses less digits than its factorization.

45575439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3430 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 45575439 is about 6750.9583764085. The cubic root of 45575439 is about 357.1990431755.

The spelling of 45575439 in words is "forty-five million, five hundred seventy-five thousand, four hundred thirty-nine".