45064139 has 2 divisors, whose sum is σ = 45064140. Its totient is φ = 45064138.

The previous prime is 45064109. The next prime is 45064157. The reversal of 45064139 is 93146054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45064139 is a prime.

It is a super-2 number, since 2×45064139² = 4061553247622642, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45064109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22532069 + 22532070.

It is an arithmetic number, because the mean of its divisors is an integer number (22532070).

Almost surely, 2^45064139 is an apocalyptic number.

45064139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45064139 is an equidigital number, since it uses as much as digits as its factorization.

45064139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 45064139 is about 6712.9828690382. The cubic root of 45064139 is about 355.8582395433.

The spelling of 45064139 in words is "forty-five million, sixty-four thousand, one hundred thirty-nine".