142422052545145 has 4 divisors (see below), whose sum is σ = 170906463054180. Its totient is φ = 113937642036112.

The previous prime is 142422052545139. The next prime is 142422052545161. The reversal of 142422052545145 is 541545250224241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42383888904681 + 100038163640464 = 6510291^2 + 10001908^2 .

It is a cyclic number.

It is not a de Polignac number, because 142422052545145 - 2³ = 142422052545137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142422052545095 and 142422052545104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14242205254510 + ... + 14242205254519.

It is an arithmetic number, because the mean of its divisors is an integer number (42726615763545).

Almost surely, 2^{142422052545145} is an apocalyptic number.

It is an amenable number.

142422052545145 is a deficient number, since it is larger than the sum of its proper divisors (28484410509035).

142422052545145 is an equidigital number, since it uses as much as digits as its factorization.

142422052545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484410509034.

The product of its (nonzero) digits is 2560000, while the sum is 46.

The spelling of 142422052545145 in words is "one hundred forty-two trillion, four hundred twenty-two billion, fifty-two million, five hundred forty-five thousand, one hundred forty-five".