45473515 has 4 divisors (see below), whose sum is σ = 54568224. Its totient is φ = 36378808.

The previous prime is 45473509. The next prime is 45473531. The reversal of 45473515 is 51537454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45473515 - 2⁹ = 45473003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4547347 + ... + 4547356.

It is an arithmetic number, because the mean of its divisors is an integer number (13642056).

Almost surely, 2^45473515 is an apocalyptic number.

45473515 is a deficient number, since it is larger than the sum of its proper divisors (9094709).

45473515 is an equidigital number, since it uses as much as digits as its factorization.

45473515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094708.

The product of its digits is 42000, while the sum is 34.

The square root of 45473515 is about 6743.4052970291. The cubic root of 45473515 is about 356.9325668312.

The spelling of 45473515 in words is "forty-five million, four hundred seventy-three thousand, five hundred fifteen".