45147182640 has 160 divisors (see below), whose sum is σ = 163670048256. Its totient is φ = 10079354880.

The previous prime is 45147182621. The next prime is 45147182653. The reversal of 45147182640 is 4628174154.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 45147182592 and 45147182601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240241 + ... + 384720.

Almost surely, 2^45147182640 is an apocalyptic number.

45147182640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45147182640 is an abundant number, since it is smaller than the sum of its proper divisors (118522865616).

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

45147182640 is a wasteful number, since it uses less digits than its factorization.

45147182640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625027 (or 625021 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 45147182640 in words is "forty-five billion, one hundred forty-seven million, one hundred eighty-two thousand, six hundred forty".