45315603 has 18 divisors (see below), whose sum is σ = 67802124. Its totient is φ = 29163792.

The previous prime is 45315581. The next prime is 45315623. The reversal of 45315603 is 30651354.

45315603 is a `hidden beast` number, since 4 + 53 + 1 + 5 + 603 = 666.

It is not a de Polignac number, because 45315603 - 2⁶ = 45315539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45315623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4576 + ... + 10562.

Almost surely, 2^45315603 is an apocalyptic number.

45315603 is a deficient number, since it is larger than the sum of its proper divisors (22486521).

45315603 is a wasteful number, since it uses less digits than its factorization.

45315603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 45315603 is about 6731.6864900261. The cubic root of 45315603 is about 356.5189245527.

Adding to 45315603 its reverse (30651354), we get a palindrome (75966957).

The spelling of 45315603 in words is "forty-five million, three hundred fifteen thousand, six hundred three".