45182745 has 32 divisors (see below), whose sum is σ = 82045440. Its totient is φ = 23581440.

The previous prime is 45182743. The next prime is 45182749. The reversal of 45182745 is 54728154.

It is not a de Polignac number, because 45182745 - 2¹ = 45182743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45182743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (2563920).

Almost surely, 2^45182745 is an apocalyptic number.

45182745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45182745 is a deficient number, since it is larger than the sum of its proper divisors (36862695).

45182745 is a wasteful number, since it uses less digits than its factorization.

45182745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7176 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 45182745 is about 6721.8111398640. The cubic root of 45182745 is about 356.1701649359.

The spelling of 45182745 in words is "forty-five million, one hundred eighty-two thousand, seven hundred forty-five".