45352515 has 32 divisors (see below), whose sum is σ = 82748736. Its totient is φ = 21012480.

The previous prime is 45352513. The next prime is 45352523. The reversal of 45352515 is 51525354.

It is a happy number.

It is not a de Polignac number, because 45352515 - 2¹ = 45352513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45352511) 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, 3526 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (2585898).

Almost surely, 2^45352515 is an apocalyptic number.

45352515 is a deficient number, since it is larger than the sum of its proper divisors (37396221).

45352515 is a wasteful number, since it uses less digits than its factorization.

45352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719.

The product of its digits is 15000, while the sum is 30.

The square root of 45352515 is about 6734.4275926021. The cubic root of 45352515 is about 356.6156995718.

Adding to 45352515 its reverse (51525354), we get a palindrome (96877869).

The spelling of 45352515 in words is "forty-five million, three hundred fifty-two thousand, five hundred fifteen".