43142254656 has 56 divisors (see below), whose sum is σ = 114174178560. Its totient is φ = 14377354752.

The previous prime is 43142254651. The next prime is 43142254693. The reversal of 43142254656 is 65645224134.

It is a happy number.

It is a super-2 number, since 2×43142254656² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43142254651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 866470 + ... + 914906.

Almost surely, 2^43142254656 is an apocalyptic number.

It is an amenable number.

43142254656 is an abundant number, since it is smaller than the sum of its proper divisors (71031923904).

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

43142254656 is a wasteful number, since it uses less digits than its factorization.

43142254656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53091 (or 53081 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 43142254656 in words is "forty-three billion, one hundred forty-two million, two hundred fifty-four thousand, six hundred fifty-six".