145004129 has 2 divisors, whose sum is σ = 145004130. Its totient is φ = 145004128.

The previous prime is 145004113. The next prime is 145004159. The reversal of 145004129 is 921400541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98109025 + 46895104 = 9905^2 + 6848^2 .

It is a cyclic number.

It is not a de Polignac number, because 145004129 - 2⁴ = 145004113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145004098 and 145004107.

It is not a weakly prime, because it can be changed into another prime (145004159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72502064 + 72502065.

It is an arithmetic number, because the mean of its divisors is an integer number (72502065).

Almost surely, 2^145004129 is an apocalyptic number.

It is an amenable number.

145004129 is a deficient number, since it is larger than the sum of its proper divisors (1).

145004129 is an equidigital number, since it uses as much as digits as its factorization.

145004129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 145004129 is about 12041.7660249649. The cubic root of 145004129 is about 525.3637738834.

The spelling of 145004129 in words is "one hundred forty-five million, four thousand, one hundred twenty-nine".