154454120564 has 12 divisors (see below), whose sum is σ = 272108770500. Its totient is φ = 76708757568.

The previous prime is 154454120563. The next prime is 154454120647. The reversal of 154454120564 is 465021454451.

It can be written as a sum of positive squares in 2 ways, for example, as 85463844964 + 68990275600 = 292342^2 + 262660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154454120563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129575009 + ... + 129576200.

It is an arithmetic number, because the mean of its divisors is an integer number (22675730875).

Almost surely, 2^154454120564 is an apocalyptic number.

It is an amenable number.

154454120564 is a deficient number, since it is larger than the sum of its proper divisors (117654649936).

154454120564 is a wasteful number, since it uses less digits than its factorization.

154454120564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259151362 (or 259151360 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 154454120564 in words is "one hundred fifty-four billion, four hundred fifty-four million, one hundred twenty thousand, five hundred sixty-four".