145144454131013 has 2 divisors, whose sum is σ = 145144454131014. Its totient is φ = 145144454131012.

The previous prime is 145144454130989. The next prime is 145144454131069. The reversal of 145144454131013 is 310131454441541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117183699320164 + 27960754810849 = 10825142^2 + 5287793^2 .

It is a cyclic number.

It is not a de Polignac number, because 145144454131013 - 2⁸ = 145144454130757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145144454131513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72572227065506 + 72572227065507.

It is an arithmetic number, because the mean of its divisors is an integer number (72572227065507).

Almost surely, 2^{145144454131013} is an apocalyptic number.

It is an amenable number.

145144454131013 is a deficient number, since it is larger than the sum of its proper divisors (1).

145144454131013 is an equidigital number, since it uses as much as digits as its factorization.

145144454131013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 145144454131013 in words is "one hundred forty-five trillion, one hundred forty-four billion, four hundred fifty-four million, one hundred thirty-one thousand, thirteen".