45144661 has 2 divisors, whose sum is σ = 45144662. Its totient is φ = 45144660.

The previous prime is 45144623. The next prime is 45144683. The reversal of 45144661 is 16644154.

45144661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 7873636 = 6105^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 45144661 - 2¹⁵ = 45111893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45144601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572330 + 22572331.

It is an arithmetic number, because the mean of its divisors is an integer number (22572331).

Almost surely, 2^45144661 is an apocalyptic number.

It is an amenable number.

45144661 is a deficient number, since it is larger than the sum of its proper divisors (1).

45144661 is an equidigital number, since it uses as much as digits as its factorization.

45144661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 45144661 is about 6718.9776752122. The cubic root of 45144661 is about 356.0700662704.

The spelling of 45144661 in words is "forty-five million, one hundred forty-four thousand, six hundred sixty-one".