45331513 has 8 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 44761680.

The previous prime is 45331499. The next prime is 45331523. The reversal of 45331513 is 31513354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45331513 - 2⁹ = 45331001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45331523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48868 + ... + 49786.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^45331513 is an apocalyptic number.

It is an amenable number.

45331513 is a deficient number, since it is larger than the sum of its proper divisors (572807).

45331513 is a wasteful number, since it uses less digits than its factorization.

45331513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 2700, while the sum is 25.

The square root of 45331513 is about 6732.8681109910. The cubic root of 45331513 is about 356.5606434606.

Adding to 45331513 its reverse (31513354), we get a palindrome (76844867).

The spelling of 45331513 in words is "forty-five million, three hundred thirty-one thousand, five hundred thirteen".