45235139 has 2 divisors, whose sum is σ = 45235140. Its totient is φ = 45235138.

The previous prime is 45235111. The next prime is 45235153. The reversal of 45235139 is 93153254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45235139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45235159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22617569 + 22617570.

It is an arithmetic number, because the mean of its divisors is an integer number (22617570).

Almost surely, 2^45235139 is an apocalyptic number.

45235139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45235139 is an equidigital number, since it uses as much as digits as its factorization.

45235139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 45235139 is about 6725.7073233973. The cubic root of 45235139 is about 356.3077836300.

The spelling of 45235139 in words is "forty-five million, two hundred thirty-five thousand, one hundred thirty-nine".