45585139 has 2 divisors, whose sum is σ = 45585140. Its totient is φ = 45585138.

The previous prime is 45585131. The next prime is 45585151. The reversal of 45585139 is 93158554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45585139 - 2³ = 45585131 is a prime.

It is not a weakly prime, because it can be changed into another prime (45585131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22792569 + 22792570.

It is an arithmetic number, because the mean of its divisors is an integer number (22792570).

Almost surely, 2^45585139 is an apocalyptic number.

45585139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45585139 is an equidigital number, since it uses as much as digits as its factorization.

45585139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 40.

The square root of 45585139 is about 6751.6767547032. The cubic root of 45585139 is about 357.2243827372.

The spelling of 45585139 in words is "forty-five million, five hundred eighty-five thousand, one hundred thirty-nine".