145095169 has 2 divisors, whose sum is σ = 145095170. Its totient is φ = 145095168.

The previous prime is 145095143. The next prime is 145095217. The reversal of 145095169 is 961590541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137170944 + 7924225 = 11712^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 145095169 - 2²⁷ = 10877441 is a prime.

It is a super-2 number, since 2×145095169² = 42105216134277122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145096169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72547584 + 72547585.

It is an arithmetic number, because the mean of its divisors is an integer number (72547585).

Almost surely, 2^145095169 is an apocalyptic number.

It is an amenable number.

145095169 is a deficient number, since it is larger than the sum of its proper divisors (1).

145095169 is an equidigital number, since it uses as much as digits as its factorization.

145095169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 145095169 is about 12045.5456082321. The cubic root of 145095169 is about 525.4736997456.

The spelling of 145095169 in words is "one hundred forty-five million, ninety-five thousand, one hundred sixty-nine".