45115161642 has 48 divisors (see below), whose sum is σ = 98271901728. Its totient is φ = 14958234720.

The previous prime is 45115161631. The next prime is 45115161647. The reversal of 45115161642 is 24616151154.

45115161642 is a `hidden beast` number, since 4 + 5 + 1 + 1 + 5 + 1 + 6 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 45115161597 and 45115161606.

It is not an unprimeable number, because it can be changed into a prime (45115161647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2630848 + ... + 2647940.

It is an arithmetic number, because the mean of its divisors is an integer number (2047331286).

Almost surely, 2^45115161642 is an apocalyptic number.

45115161642 is an abundant number, since it is smaller than the sum of its proper divisors (53156740086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45115161642 is a wasteful number, since it uses less digits than its factorization.

45115161642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875 (or 17872 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 45115161642 in words is "forty-five billion, one hundred fifteen million, one hundred sixty-one thousand, six hundred forty-two".