145023562129 has 2 divisors, whose sum is σ = 145023562130. Its totient is φ = 145023562128.

The previous prime is 145023562111. The next prime is 145023562199. The reversal of 145023562129 is 921265320541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132239867904 + 12783694225 = 363648^2 + 113065^2 .

It is a cyclic number.

It is not a de Polignac number, because 145023562129 - 2¹⁵ = 145023529361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145023562091 and 145023562100.

It is not a weakly prime, because it can be changed into another prime (145023562109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72511781064 + 72511781065.

It is an arithmetic number, because the mean of its divisors is an integer number (72511781065).

Almost surely, 2^145023562129 is an apocalyptic number.

It is an amenable number.

145023562129 is a deficient number, since it is larger than the sum of its proper divisors (1).

145023562129 is an equidigital number, since it uses as much as digits as its factorization.

145023562129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 145023562129 in words is "one hundred forty-five billion, twenty-three million, five hundred sixty-two thousand, one hundred twenty-nine".