146322345161 has 4 divisors (see below), whose sum is σ = 151367943300. Its totient is φ = 141276747024.

The previous prime is 146322345157. The next prime is 146322345193. The reversal of 146322345161 is 161543223641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53933095225 + 92389249936 = 232235^2 + 303956^2 .

It is a cyclic number.

It is not a de Polignac number, because 146322345161 - 2² = 146322345157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146322345131) 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, 2522799026 + ... + 2522799083.

It is an arithmetic number, because the mean of its divisors is an integer number (37841985825).

Almost surely, 2^146322345161 is an apocalyptic number.

It is an amenable number.

146322345161 is a deficient number, since it is larger than the sum of its proper divisors (5045598139).

146322345161 is an equidigital number, since it uses as much as digits as its factorization.

146322345161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045598138.

The product of its digits is 103680, while the sum is 38.

The spelling of 146322345161 in words is "one hundred forty-six billion, three hundred twenty-two million, three hundred forty-five thousand, one hundred sixty-one".