142501200654621 has 4 divisors (see below), whose sum is σ = 190001600872832. Its totient is φ = 95000800436412.

The previous prime is 142501200654619. The next prime is 142501200654661. The reversal of 142501200654621 is 126456002105241.

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 142501200654621 - 2¹ = 142501200654619 is a prime.

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 142501200654621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142501200654611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23750200109101 + ... + 23750200109106.

It is an arithmetic number, because the mean of its divisors is an integer number (47500400218208).

Almost surely, 2^{142501200654621} is an apocalyptic number.

It is an amenable number.

142501200654621 is a deficient number, since it is larger than the sum of its proper divisors (47500400218211).

142501200654621 is an equidigital number, since it uses as much as digits as its factorization.

142501200654621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47500400218210.

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 142501200654621 its reverse (126456002105241), we get a palindrome (268957202759862).

The spelling of 142501200654621 in words is "one hundred forty-two trillion, five hundred one billion, two hundred million, six hundred fifty-four thousand, six hundred twenty-one".