142616891457 has 8 divisors (see below), whose sum is σ = 211284283680. Its totient is φ = 95077927620.

The previous prime is 142616891441. The next prime is 142616891471. The reversal of 142616891457 is 754198616241.

142616891457 is a `hidden beast` number, since 1 + 4 + 2 + 616 + 8 + 9 + 14 + 5 + 7 = 666.

It is not a de Polignac number, because 142616891457 - 2⁴ = 142616891441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142616891437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641053519 + ... + 2641053572.

It is an arithmetic number, because the mean of its divisors is an integer number (26410535460).

Almost surely, 2^142616891457 is an apocalyptic number.

It is an amenable number.

142616891457 is a deficient number, since it is larger than the sum of its proper divisors (68667392223).

142616891457 is an equidigital number, since it uses as much as digits as its factorization.

142616891457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282107100 (or 5282107094 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 142616891457 in words is "one hundred forty-two billion, six hundred sixteen million, eight hundred ninety-one thousand, four hundred fifty-seven".