155108688 has 80 divisors (see below), whose sum is σ = 477874176. Its totient is φ = 42387840.

The previous prime is 155108677. The next prime is 155108689. The reversal of 155108688 is 886801551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155108689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308 + ... + 17763.

Almost surely, 2^155108688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155108688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238937088).

155108688 is an abundant number, since it is smaller than the sum of its proper divisors (322765488).

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

155108688 is a wasteful number, since it uses less digits than its factorization.

155108688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112 (or 20106 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The square root of 155108688 is about 12454.2638481767. The cubic root of 155108688 is about 537.2940626614.

The spelling of 155108688 in words is "one hundred fifty-five million, one hundred eight thousand, six hundred eighty-eight".