142442551225545 has 32 divisors (see below), whose sum is σ = 228111643523712. Its totient is φ = 75901536870912.

The previous prime is 142442551225493. The next prime is 142442551225613. The reversal of 142442551225545 is 545522155244241.

142442551225545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142442551225545 - 2⁷ = 142442551225417 is a prime.

It is a super-2 number, since 2×142442551225545² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75033789 + ... + 76908741.

It is an arithmetic number, because the mean of its divisors is an integer number (7128488860116).

Almost surely, 2^{142442551225545} is an apocalyptic number.

142442551225545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142442551225545 is a deficient number, since it is larger than the sum of its proper divisors (85669092298167).

142442551225545 is a wasteful number, since it uses less digits than its factorization.

142442551225545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879481.

The product of its digits is 12800000, while the sum is 51.

The spelling of 142442551225545 in words is "one hundred forty-two trillion, four hundred forty-two billion, five hundred fifty-one million, two hundred twenty-five thousand, five hundred forty-five".