146402271161 has 2 divisors, whose sum is σ = 146402271162. Its totient is φ = 146402271160.

The previous prime is 146402271139. The next prime is 146402271163. The reversal of 146402271161 is 161172204641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138565595536 + 7836675625 = 372244^2 + 88525^2 .

It is a cyclic number.

It is not a de Polignac number, because 146402271161 - 2²² = 146398076857 is a prime.

Together with 146402271163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146402271163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73201135580 + 73201135581.

It is an arithmetic number, because the mean of its divisors is an integer number (73201135581).

Almost surely, 2^146402271161 is an apocalyptic number.

It is an amenable number.

146402271161 is a deficient number, since it is larger than the sum of its proper divisors (1).

146402271161 is an equidigital number, since it uses as much as digits as its factorization.

146402271161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 146402271161 in words is "one hundred forty-six billion, four hundred two million, two hundred seventy-one thousand, one hundred sixty-one".