45324515 has 4 divisors (see below), whose sum is σ = 54389424. Its totient is φ = 36259608.

The previous prime is 45324493. The next prime is 45324523. The reversal of 45324515 is 51542354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51542354 = 2 ⋅25771177.

It is a cyclic number.

It is not a de Polignac number, because 45324515 - 2⁸ = 45324259 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, 4532447 + ... + 4532456.

It is an arithmetic number, because the mean of its divisors is an integer number (13597356).

Almost surely, 2^45324515 is an apocalyptic number.

45324515 is a deficient number, since it is larger than the sum of its proper divisors (9064909).

45324515 is an equidigital number, since it uses as much as digits as its factorization.

45324515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064908.

The product of its digits is 12000, while the sum is 29.

The square root of 45324515 is about 6732.3484015609. The cubic root of 45324515 is about 356.5422946371.

Adding to 45324515 its reverse (51542354), we get a palindrome (96866869).

The spelling of 45324515 in words is "forty-five million, three hundred twenty-four thousand, five hundred fifteen".