45515451244 has 12 divisors (see below), whose sum is σ = 79654420944. Its totient is φ = 22757045264.

The previous prime is 45515451169. The next prime is 45515451257. The reversal of 45515451244 is 44215451554.

It is a super-2 number, since 2×45515451244² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45515451197 and 45515451206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859 + ... + 301714.

It is an arithmetic number, because the mean of its divisors is an integer number (6637868412).

Almost surely, 2^45515451244 is an apocalyptic number.

It is an amenable number.

45515451244 is a deficient number, since it is larger than the sum of its proper divisors (34138969700).

45515451244 is a wasteful number, since it uses less digits than its factorization.

45515451244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340184 (or 340182 counting only the distinct ones).

The product of its digits is 320000, while the sum is 40.

The spelling of 45515451244 in words is "forty-five billion, five hundred fifteen million, four hundred fifty-one thousand, two hundred forty-four".