45207539 has 16 divisors (see below), whose sum is σ = 51787008. Its totient is φ = 39094272.

The previous prime is 45207521. The next prime is 45207553. The reversal of 45207539 is 93570254.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45207539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45207499 and 45207508.

It is not an unprimeable number, because it can be changed into a prime (45207509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74174 + ... + 74780.

It is an arithmetic number, because the mean of its divisors is an integer number (3236688).

Almost surely, 2^45207539 is an apocalyptic number.

45207539 is a deficient number, since it is larger than the sum of its proper divisors (6579469).

45207539 is a wasteful number, since it uses less digits than its factorization.

45207539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45207539 is about 6723.6551815214. The cubic root of 45207539 is about 356.2353023997.

The spelling of 45207539 in words is "forty-five million, two hundred seven thousand, five hundred thirty-nine".