142442563025 has 12 divisors (see below), whose sum is σ = 201861460992. Its totient is φ = 97674900240.

The previous prime is 142442562989. The next prime is 142442563069. The reversal of 142442563025 is 520365244241.

It is not a de Polignac number, because 142442563025 - 2¹⁸ = 142442300881 is a prime.

It is a super-2 number, since 2×142442563025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142442563025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406978577 + ... + 406978926.

It is an arithmetic number, because the mean of its divisors is an integer number (16821788416).

Almost surely, 2^142442563025 is an apocalyptic number.

It is an amenable number.

142442563025 is a deficient number, since it is larger than the sum of its proper divisors (59418897967).

142442563025 is an equidigital number, since it uses as much as digits as its factorization.

142442563025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813957520 (or 813957515 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 142442563025 in words is "one hundred forty-two billion, four hundred forty-two million, five hundred sixty-three thousand, twenty-five".