45921275 has 12 divisors (see below), whose sum is σ = 57204672. Its totient is φ = 36567840.

The previous prime is 45921269. The next prime is 45921277. The reversal of 45921275 is 57212954.

It is a de Polignac number, because none of the positive numbers 2^k-45921275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45921277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1457 + ... + 9693.

It is an arithmetic number, because the mean of its divisors is an integer number (4767056).

Almost surely, 2^45921275 is an apocalyptic number.

45921275 is a deficient number, since it is larger than the sum of its proper divisors (11283397).

45921275 is a wasteful number, since it uses less digits than its factorization.

45921275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 8465 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 45921275 is about 6776.5238138739. The cubic root of 45921275 is about 358.1002678895.

The spelling of 45921275 in words is "forty-five million, nine hundred twenty-one thousand, two hundred seventy-five".