142564557464 has 32 divisors (see below), whose sum is σ = 305512183200. Its totient is φ = 61095755520.

The previous prime is 142564557449. The next prime is 142564557469. The reversal of 142564557464 is 464755465241.

It is a super-2 number, since 2×142564557464² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142564557469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154252 + ... + 1271780.

It is an arithmetic number, because the mean of its divisors is an integer number (9547255725).

Almost surely, 2^142564557464 is an apocalyptic number.

142564557464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142564557464 is an abundant number, since it is smaller than the sum of its proper divisors (162947625736).

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

142564557464 is a wasteful number, since it uses less digits than its factorization.

142564557464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139203 (or 139199 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 53.

The spelling of 142564557464 in words is "one hundred forty-two billion, five hundred sixty-four million, five hundred fifty-seven thousand, four hundred sixty-four".