142564446144 has 56 divisors (see below), whose sum is σ = 419113075920. Its totient is φ = 47521481472.

The previous prime is 142564446121. The next prime is 142564446169. The reversal of 142564446144 is 441644465241.

142564446144 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 64 + 446 + 144 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 142564446144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41249559 + ... + 41253014.

It is an arithmetic number, because the mean of its divisors is an integer number (7484162070).

Almost surely, 2^142564446144 is an apocalyptic number.

It is an amenable number.

142564446144 is an abundant number, since it is smaller than the sum of its proper divisors (276548629776).

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

142564446144 is an equidigital number, since it uses as much as digits as its factorization.

142564446144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82502594 (or 82502578 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 45.

The spelling of 142564446144 in words is "one hundred forty-two billion, five hundred sixty-four million, four hundred forty-six thousand, one hundred forty-four".