142426400534615 has 32 divisors (see below), whose sum is σ = 176697491226624. Its totient is φ = 110151355265280.

The previous prime is 142426400534567. The next prime is 142426400534617. The reversal of 142426400534615 is 516435004624241.

It is not a de Polignac number, because 142426400534615 - 2³⁸ = 142151522627671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 142426400534615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142426400534617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3736646 + ... + 17286275.

It is an arithmetic number, because the mean of its divisors is an integer number (5521796600832).

Almost surely, 2^{142426400534615} is an apocalyptic number.

142426400534615 is a deficient number, since it is larger than the sum of its proper divisors (34271090692009).

142426400534615 is a wasteful number, since it uses less digits than its factorization.

142426400534615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023327.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 142426400534615 in words is "one hundred forty-two trillion, four hundred twenty-six billion, four hundred million, five hundred thirty-four thousand, six hundred fifteen".