145775676525545 has 128 divisors (see below), whose sum is σ = 202998913302528. Its totient is φ = 99457969248000.

The previous prime is 145775676525539. The next prime is 145775676525581. The reversal of 145775676525545 is 545525676577541.

It is not a de Polignac number, because 145775676525545 - 2²⁶ = 145775609416681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43868694254 + ... + 43868697576.

It is an arithmetic number, because the mean of its divisors is an integer number (1585929010176).

Almost surely, 2^{145775676525545} is an apocalyptic number.

It is an amenable number.

145775676525545 is a deficient number, since it is larger than the sum of its proper divisors (57223236776983).

145775676525545 is a wasteful number, since it uses less digits than its factorization.

145775676525545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363.

The product of its digits is 6174000000, while the sum is 74.

The spelling of 145775676525545 in words is "one hundred forty-five trillion, seven hundred seventy-five billion, six hundred seventy-six million, five hundred twenty-five thousand, five hundred forty-five".