154455522065 has 64 divisors (see below), whose sum is σ = 218850024960. Its totient is φ = 103545630720.

The previous prime is 154455521989. The next prime is 154455522073. The reversal of 154455522065 is 560225554451.

It is not a de Polignac number, because 154455522065 - 2²⁴ = 154438744849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46367450 + ... + 46370780.

It is an arithmetic number, because the mean of its divisors is an integer number (3419531640).

Almost surely, 2^154455522065 is an apocalyptic number.

It is an amenable number.

154455522065 is a deficient number, since it is larger than the sum of its proper divisors (64394502895).

154455522065 is a wasteful number, since it uses less digits than its factorization.

154455522065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 154455522065 in words is "one hundred fifty-four billion, four hundred fifty-five million, five hundred twenty-two thousand, sixty-five".