22743145257156 has 60 divisors (see below), whose sum is σ = 59458199784060. Its totient is φ = 7580649876480.

The previous prime is 22743145257101. The next prime is 22743145257169. The reversal of 22743145257156 is 65175254134722.

22743145257156 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 3 + 14 + 5 + 2 + 571 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21086776257156 + 1656369000000 = 4592034^2 + 1287000^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4359660 + ... + 8030748.

It is an arithmetic number, because the mean of its divisors is an integer number (990969996401).

Almost surely, 2^{22743145257156} is an apocalyptic number.

It is an amenable number.

22743145257156 is an abundant number, since it is smaller than the sum of its proper divisors (36715054526904).

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

22743145257156 is a wasteful number, since it uses less digits than its factorization.

22743145257156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690226 (or 3690215 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 22743145257156 in words is "twenty-two trillion, seven hundred forty-three billion, one hundred forty-five million, two hundred fifty-seven thousand, one hundred fifty-six".