45515071 has 8 divisors (see below), whose sum is σ = 53079200. Its totient is φ = 39012624.

The previous prime is 45515053. The next prime is 45515083. The reversal of 45515071 is 17051554.

It is not a de Polignac number, because 45515071 - 2¹⁵ = 45482303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515011) 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, 66006 + ... + 66691.

It is an arithmetic number, because the mean of its divisors is an integer number (6634900).

Almost surely, 2^45515071 is an apocalyptic number.

45515071 is a deficient number, since it is larger than the sum of its proper divisors (7564129).

45515071 is an equidigital number, since it uses as much as digits as its factorization.

45515071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132718 (or 132704 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 45515071 is about 6746.4858259690. The cubic root of 45515071 is about 357.0412614106.

The spelling of 45515071 in words is "forty-five million, five hundred fifteen thousand, seventy-one".