154555656044 has 24 divisors (see below), whose sum is σ = 280643975808. Its totient is φ = 74397496320.

The previous prime is 154555656029. The next prime is 154555656061. The reversal of 154555656044 is 440656555451.

It is a junction number, because it is equal to n+sod(n) for n = 154555655983 and 154555656001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205127 + ... + 3252990.

It is an arithmetic number, because the mean of its divisors is an integer number (11693498992).

Almost surely, 2^154555656044 is an apocalyptic number.

It is an amenable number.

154555656044 is a deficient number, since it is larger than the sum of its proper divisors (126088319764).

154555656044 is a wasteful number, since it uses less digits than its factorization.

154555656044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458345 (or 6458343 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 154555656044 in words is "one hundred fifty-four billion, five hundred fifty-five million, six hundred fifty-six thousand, forty-four".