141625312421 has 4 divisors (see below), whose sum is σ = 142473368352. Its totient is φ = 140777256492.

The previous prime is 141625312397. The next prime is 141625312441. The reversal of 141625312421 is 124213526141.

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 141625312421 - 2³⁰ = 140551570597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141625312441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424027715 + ... + 424028048.

It is an arithmetic number, because the mean of its divisors is an integer number (35618342088).

Almost surely, 2^141625312421 is an apocalyptic number.

It is an amenable number.

141625312421 is a deficient number, since it is larger than the sum of its proper divisors (848055931).

141625312421 is an equidigital number, since it uses as much as digits as its factorization.

141625312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848055930.

The product of its digits is 11520, while the sum is 32.

Adding to 141625312421 its reverse (124213526141), we get a palindrome (265838838562).

The spelling of 141625312421 in words is "one hundred forty-one billion, six hundred twenty-five million, three hundred twelve thousand, four hundred twenty-one".