146121504536231 has 4 divisors (see below), whose sum is σ = 166996005184272. Its totient is φ = 125247003888192.

The previous prime is 146121504536221. The next prime is 146121504536237. The reversal of 146121504536231 is 132635405121641.

146121504536231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 146121504536231 - 2⁶ = 146121504536167 is a prime.

It is a super-2 number, since 2×146121504536231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146121504536237) 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, 10437250324010 + ... + 10437250324023.

It is an arithmetic number, because the mean of its divisors is an integer number (41749001296068).

Almost surely, 2^{146121504536231} is an apocalyptic number.

146121504536231 is a deficient number, since it is larger than the sum of its proper divisors (20874500648041).

146121504536231 is an equidigital number, since it uses as much as digits as its factorization.

146121504536231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20874500648040.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 146121504536231 its reverse (132635405121641), we get a palindrome (278756909657872).

The spelling of 146121504536231 in words is "one hundred forty-six trillion, one hundred twenty-one billion, five hundred four million, five hundred thirty-six thousand, two hundred thirty-one".