145122351983929 has 2 divisors, whose sum is σ = 145122351983930. Its totient is φ = 145122351983928.

The previous prime is 145122351983863. The next prime is 145122351983969. The reversal of 145122351983929 is 929389153221541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80762214768400 + 64360137215529 = 8986780^2 + 8022477^2 .

It is a cyclic number.

It is not a de Polignac number, because 145122351983929 - 2¹³ = 145122351975737 is a prime.

It is not a weakly prime, because it can be changed into another prime (145122351983969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72561175991964 + 72561175991965.

It is an arithmetic number, because the mean of its divisors is an integer number (72561175991965).

Almost surely, 2^{145122351983929} is an apocalyptic number.

It is an amenable number.

145122351983929 is a deficient number, since it is larger than the sum of its proper divisors (1).

145122351983929 is an equidigital number, since it uses as much as digits as its factorization.

145122351983929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 64.

The spelling of 145122351983929 in words is "one hundred forty-five trillion, one hundred twenty-two billion, three hundred fifty-one million, nine hundred eighty-three thousand, nine hundred twenty-nine".