142424225506401 has 4 divisors (see below), whose sum is σ = 189898967341872. Its totient is φ = 94949483670932.

The previous prime is 142424225506363. The next prime is 142424225506411. The reversal of 142424225506401 is 104605522424241.

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 a cyclic number.

It is not a de Polignac number, because 142424225506401 - 2¹⁰ = 142424225505377 is a prime.

It is a super-2 number, since 2×142424225506401² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142424225506411) 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, 23737370917731 + ... + 23737370917736.

It is an arithmetic number, because the mean of its divisors is an integer number (47474741835468).

Almost surely, 2^{142424225506401} is an apocalyptic number.

It is an amenable number.

142424225506401 is a deficient number, since it is larger than the sum of its proper divisors (47474741835471).

142424225506401 is an equidigital number, since it uses as much as digits as its factorization.

142424225506401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47474741835470.

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 142424225506401 in words is "one hundred forty-two trillion, four hundred twenty-four billion, two hundred twenty-five million, five hundred six thousand, four hundred one".