45315115 has 32 divisors (see below), whose sum is σ = 59780160. Its totient is φ = 32845824.

The previous prime is 45315113. The next prime is 45315119. The reversal of 45315115 is 51151354.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45315115 - 2¹ = 45315113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45315115.

It is not an unprimeable number, because it can be changed into a prime (45315113) 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, 415681 + ... + 415789.

It is an arithmetic number, because the mean of its divisors is an integer number (1868130).

Almost surely, 2^45315115 is an apocalyptic number.

45315115 is a deficient number, since it is larger than the sum of its proper divisors (14465045).

45315115 is a wasteful number, since it uses less digits than its factorization.

45315115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 1500, while the sum is 25.

The square root of 45315115 is about 6731.6502434396. The cubic root of 45315115 is about 356.5176447738.

Adding to 45315115 its reverse (51151354), we get a palindrome (96466469).

The spelling of 45315115 in words is "forty-five million, three hundred fifteen thousand, one hundred fifteen".