45057249 has 24 divisors (see below), whose sum is σ = 68652320. Its totient is φ = 29190672.

The previous prime is 45057241. The next prime is 45057263. The reversal of 45057249 is 94275054.

45057249 is a `hidden beast` number, since 45 + 0 + 572 + 49 = 666.

45057249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45057249 - 2³ = 45057241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45057241) 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 23 ways as a sum of consecutive naturals, for example, 228619 + ... + 228815.

Almost surely, 2^45057249 is an apocalyptic number.

It is an amenable number.

45057249 is a deficient number, since it is larger than the sum of its proper divisors (23595071).

45057249 is an equidigital number, since it uses as much as digits as its factorization.

45057249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45057249 is about 6712.4696647359. The cubic root of 45057249 is about 355.8401025184.

The spelling of 45057249 in words is "forty-five million, fifty-seven thousand, two hundred forty-nine".