155339808 has 48 divisors (see below), whose sum is σ = 439137216. Its totient is φ = 47796480.

The previous prime is 155339783. The next prime is 155339809. The reversal of 155339808 is 808933551.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 155339808.

It is not an unprimeable number, because it can be changed into a prime (155339809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60988 + ... + 63483.

It is an arithmetic number, because the mean of its divisors is an integer number (9148692).

Almost surely, 2^155339808 is an apocalyptic number.

It is an amenable number.

155339808 is an abundant number, since it is smaller than the sum of its proper divisors (283797408).

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

155339808 is a wasteful number, since it uses less digits than its factorization.

155339808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124497 (or 124489 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 155339808 is about 12463.5391442399. The cubic root of 155339808 is about 537.5607955750.

The spelling of 155339808 in words is "one hundred fifty-five million, three hundred thirty-nine thousand, eight hundred eight".