145134875129 has 2 divisors, whose sum is σ = 145134875130. Its totient is φ = 145134875128.

The previous prime is 145134875113. The next prime is 145134875147. The reversal of 145134875129 is 921578431541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112922881600 + 32211993529 = 336040^2 + 179477^2 .

It is a cyclic number.

It is not a de Polignac number, because 145134875129 - 2⁴ = 145134875113 is a prime.

It is not a weakly prime, because it can be changed into another prime (145134875429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72567437564 + 72567437565.

It is an arithmetic number, because the mean of its divisors is an integer number (72567437565).

Almost surely, 2^145134875129 is an apocalyptic number.

It is an amenable number.

145134875129 is a deficient number, since it is larger than the sum of its proper divisors (1).

145134875129 is an equidigital number, since it uses as much as digits as its factorization.

145134875129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The spelling of 145134875129 in words is "one hundred forty-five billion, one hundred thirty-four million, eight hundred seventy-five thousand, one hundred twenty-nine".