451479142548 has 144 divisors (see below), whose sum is σ = 1405526976000. Its totient is φ = 124832897280.

The previous prime is 451479142537. The next prime is 451479142561. The reversal of 451479142548 is 845241974154.

451479142548 is a `hidden beast` number, since 4 + 5 + 1 + 4 + 7 + 91 + 4 + 2 + 548 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 451479142494 and 451479142503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211973 + ... + 1540076.

It is an arithmetic number, because the mean of its divisors is an integer number (9760604000).

Almost surely, 2^451479142548 is an apocalyptic number.

It is an amenable number.

451479142548 is an abundant number, since it is smaller than the sum of its proper divisors (954047833452).

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

451479142548 is a wasteful number, since it uses less digits than its factorization.

451479142548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752107 (or 2752092 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 451479142548 in words is "four hundred fifty-one billion, four hundred seventy-nine million, one hundred forty-two thousand, five hundred forty-eight".