154880135544 has 16 divisors (see below), whose sum is σ = 387200338920. Its totient is φ = 51626711840.

The previous prime is 154880135513. The next prime is 154880135569. The reversal of 154880135544 is 445531088451.

It is a happy number.

It is a super-2 number, since 2×154880135544² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154880135493 and 154880135502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226669467 + ... + 3226669514.

Almost surely, 2^154880135544 is an apocalyptic number.

It is an amenable number.

154880135544 is an abundant number, since it is smaller than the sum of its proper divisors (232320203376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154880135544 is a wasteful number, since it uses less digits than its factorization.

154880135544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453338990 (or 6453338986 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 154880135544 in words is "one hundred fifty-four billion, eight hundred eighty million, one hundred thirty-five thousand, five hundred forty-four".