142424342444361 has 4 divisors (see below), whose sum is σ = 189899123259152. Its totient is φ = 94949561629572.

The previous prime is 142424342444341. The next prime is 142424342444389. The reversal of 142424342444361 is 163444243424241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142424342444361 - 2²⁹ = 142423805573449 is a prime.

It is a super-2 number, since 2×142424342444361² (a number of 29 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 142424342444361.

It is not an unprimeable number, because it can be changed into a prime (142424342444341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23737390407391 + ... + 23737390407396.

It is an arithmetic number, because the mean of its divisors is an integer number (47474780814788).

Almost surely, 2^{142424342444361} is an apocalyptic number.

It is an amenable number.

142424342444361 is a deficient number, since it is larger than the sum of its proper divisors (47474780814791).

142424342444361 is an equidigital number, since it uses as much as digits as its factorization.

142424342444361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47474780814790.

The product of its digits is 7077888, while the sum is 48.

The spelling of 142424342444361 in words is "one hundred forty-two trillion, four hundred twenty-four billion, three hundred forty-two million, four hundred forty-four thousand, three hundred sixty-one".