45451145315 has 16 divisors (see below), whose sum is σ = 55721433600. Its totient is φ = 35574755040.

The previous prime is 45451145303. The next prime is 45451145347. The reversal of 45451145315 is 51354115454.

It is not a de Polignac number, because 45451145315 - 2³⁰ = 44377403491 is a prime.

It is a super-2 number, since 2×45451145315² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665636 + ... + 730734.

It is an arithmetic number, because the mean of its divisors is an integer number (3482589600).

Almost surely, 2^45451145315 is an apocalyptic number.

45451145315 is a deficient number, since it is larger than the sum of its proper divisors (10270288285).

45451145315 is a wasteful number, since it uses less digits than its factorization.

45451145315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122.

The product of its digits is 120000, while the sum is 38.

The spelling of 45451145315 in words is "forty-five billion, four hundred fifty-one million, one hundred forty-five thousand, three hundred fifteen".