145022401361 has 2 divisors, whose sum is σ = 145022401362. Its totient is φ = 145022401360.

The previous prime is 145022401267. The next prime is 145022401367. The reversal of 145022401361 is 163104220541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73254670336 + 71767731025 = 270656^2 + 267895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145022401361 is a prime.

It is not a weakly prime, because it can be changed into another prime (145022401367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72511200680 + 72511200681.

It is an arithmetic number, because the mean of its divisors is an integer number (72511200681).

Almost surely, 2^145022401361 is an apocalyptic number.

It is an amenable number.

145022401361 is a deficient number, since it is larger than the sum of its proper divisors (1).

145022401361 is an equidigital number, since it uses as much as digits as its factorization.

145022401361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 145022401361 in words is "one hundred forty-five billion, twenty-two million, four hundred one thousand, three hundred sixty-one".