145206506957 has 2 divisors, whose sum is σ = 145206506958. Its totient is φ = 145206506956.

The previous prime is 145206506933. The next prime is 145206506959. The reversal of 145206506957 is 759605602541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85374411721 + 59832095236 = 292189^2 + 244606^2 .

It is a cyclic number.

It is not a de Polignac number, because 145206506957 - 2⁸ = 145206506701 is a prime.

Together with 145206506959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145206506959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603253478 + 72603253479.

It is an arithmetic number, because the mean of its divisors is an integer number (72603253479).

Almost surely, 2^145206506957 is an apocalyptic number.

It is an amenable number.

145206506957 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206506957 is an equidigital number, since it uses as much as digits as its factorization.

145206506957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 145206506957 in words is "one hundred forty-five billion, two hundred six million, five hundred six thousand, nine hundred fifty-seven".