155684423802 has 8 divisors (see below), whose sum is σ = 311368847616. Its totient is φ = 51894807932.

The previous prime is 155684423789. The next prime is 155684423813. The reversal of 155684423802 is 208324486551.

155684423802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

155684423802 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12973701978 + ... + 12973701989.

It is an arithmetic number, because the mean of its divisors is an integer number (38921105952).

Almost surely, 2^155684423802 is an apocalyptic number.

155684423802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155684423802 is a wasteful number, since it uses less digits than its factorization.

155684423802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25947403972.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 155684423802 in words is "one hundred fifty-five billion, six hundred eighty-four million, four hundred twenty-three thousand, eight hundred two".