45320481 has 12 divisors (see below), whose sum is σ = 67575040. Its totient is φ = 29238840.

The previous prime is 45320477. The next prime is 45320489. The reversal of 45320481 is 18402354.

45320481 is a `hidden beast` number, since 453 + 204 + 8 + 1 = 666.

It is not a de Polignac number, because 45320481 - 2² = 45320477 is a prime.

It is a super-2 number, since 2×45320481² = 4107891996142722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45320489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80941 + ... + 81498.

Almost surely, 2^45320481 is an apocalyptic number.

It is an amenable number.

45320481 is a deficient number, since it is larger than the sum of its proper divisors (22254559).

45320481 is a wasteful number, since it uses less digits than its factorization.

45320481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162476 (or 162473 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 45320481 is about 6732.0487966146. The cubic root of 45320481 is about 356.5317165920.

The spelling of 45320481 in words is "forty-five million, three hundred twenty thousand, four hundred eighty-one".