45912649 has 2 divisors, whose sum is σ = 45912650. Its totient is φ = 45912648.

The previous prime is 45912613. The next prime is 45912677. The reversal of 45912649 is 94621954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 16752649 = 5400^2 + 4093^2 .

It is a cyclic number.

It is not a de Polignac number, because 45912649 - 2¹⁵ = 45879881 is a prime.

It is not a weakly prime, because it can be changed into another prime (45912049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22956324 + 22956325.

It is an arithmetic number, because the mean of its divisors is an integer number (22956325).

Almost surely, 2^45912649 is an apocalyptic number.

It is an amenable number.

45912649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45912649 is an equidigital number, since it uses as much as digits as its factorization.

45912649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 45912649 is about 6775.8873219675. The cubic root of 45912649 is about 358.0778442500.

The spelling of 45912649 in words is "forty-five million, nine hundred twelve thousand, six hundred forty-nine".