145264613129 has 2 divisors, whose sum is σ = 145264613130. Its totient is φ = 145264613128.

The previous prime is 145264613119. The next prime is 145264613159. The reversal of 145264613129 is 921316462541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142769111104 + 2495502025 = 377848^2 + 49955^2 .

It is a cyclic number.

It is not a de Polignac number, because 145264613129 - 2²⁰ = 145263564553 is a prime.

It is a super-2 number, since 2×145264613129² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145264613129.

It is not a weakly prime, because it can be changed into another prime (145264613119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72632306564 + 72632306565.

It is an arithmetic number, because the mean of its divisors is an integer number (72632306565).

Almost surely, 2^145264613129 is an apocalyptic number.

It is an amenable number.

145264613129 is a deficient number, since it is larger than the sum of its proper divisors (1).

145264613129 is an equidigital number, since it uses as much as digits as its factorization.

145264613129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The spelling of 145264613129 in words is "one hundred forty-five billion, two hundred sixty-four million, six hundred thirteen thousand, one hundred twenty-nine".