45137149 has 2 divisors, whose sum is σ = 45137150. Its totient is φ = 45137148.

The previous prime is 45137129. The next prime is 45137153. The reversal of 45137149 is 94173154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 5625 = 6718^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 45137149 - 2⁵ = 45137117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45137119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22568574 + 22568575.

It is an arithmetic number, because the mean of its divisors is an integer number (22568575).

Almost surely, 2^45137149 is an apocalyptic number.

It is an amenable number.

45137149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45137149 is an equidigital number, since it uses as much as digits as its factorization.

45137149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 45137149 is about 6718.4186383404. The cubic root of 45137149 is about 356.0503153434.

The spelling of 45137149 in words is "forty-five million, one hundred thirty-seven thousand, one hundred forty-nine".