45152649 has 6 divisors (see below), whose sum is σ = 65220506. Its totient is φ = 30101760.

The previous prime is 45152593. The next prime is 45152651. The reversal of 45152649 is 94625154.

45152649 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 2 + 649 = 666.

45152649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 6215049 = 6240^2 + 2493^2 .

It is not a de Polignac number, because 45152649 - 2⁹ = 45152137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45152659) 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 in 5 ways as a sum of consecutive naturals, for example, 2508472 + ... + 2508489.

Almost surely, 2^45152649 is an apocalyptic number.

It is an amenable number.

45152649 is a deficient number, since it is larger than the sum of its proper divisors (20067857).

45152649 is a wasteful number, since it uses less digits than its factorization.

45152649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016967 (or 5016964 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45152649 is about 6719.5720845899. The cubic root of 45152649 is about 356.0910663170.

The spelling of 45152649 in words is "forty-five million, one hundred fifty-two thousand, six hundred forty-nine".