45633139 has 2 divisors, whose sum is σ = 45633140. Its totient is φ = 45633138.

The previous prime is 45633131. The next prime is 45633167. The reversal of 45633139 is 93133654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45633139 - 2³ = 45633131 is a prime.

It is not a weakly prime, because it can be changed into another prime (45633131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22816569 + 22816570.

It is an arithmetic number, because the mean of its divisors is an integer number (22816570).

Almost surely, 2^45633139 is an apocalyptic number.

45633139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45633139 is an equidigital number, since it uses as much as digits as its factorization.

45633139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 45633139 is about 6755.2304919966. The cubic root of 45633139 is about 357.3497215054.

The spelling of 45633139 in words is "forty-five million, six hundred thirty-three thousand, one hundred thirty-nine".