45547452872868 has 48 divisors (see below), whose sum is σ = 106419951126720. Its totient is φ = 15162120044544.

The previous prime is 45547452872863. The next prime is 45547452872891. The reversal of 45547452872868 is 86827825474554.

It is a super-2 number, since 2×45547452872868² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45547452872868.

It is not an unprimeable number, because it can be changed into a prime (45547452872861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262015996 + ... + 262189772.

It is an arithmetic number, because the mean of its divisors is an integer number (2217082315140).

Almost surely, 2^{45547452872868} is an apocalyptic number.

It is an amenable number.

45547452872868 is an abundant number, since it is smaller than the sum of its proper divisors (60872498253852).

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

45547452872868 is a wasteful number, since it uses less digits than its factorization.

45547452872868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202956 (or 202954 counting only the distinct ones).

The product of its digits is 4816896000, while the sum is 75.

The spelling of 45547452872868 in words is "forty-five trillion, five hundred forty-seven billion, four hundred fifty-two million, eight hundred seventy-two thousand, eight hundred sixty-eight".