155705088 has 144 divisors (see below), whose sum is σ = 516854016. Its totient is φ = 40427520.

The previous prime is 155705087. The next prime is 155705093. The reversal of 155705088 is 880507551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155705087) 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, 57820 + ... + 60452.

It is an arithmetic number, because the mean of its divisors is an integer number (3589264).

Almost surely, 2^155705088 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 155705088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258427008).

155705088 is an abundant number, since it is smaller than the sum of its proper divisors (361148928).

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

155705088 is a wasteful number, since it uses less digits than its factorization.

155705088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 155705088 is about 12478.1844833293. The cubic root of 155705088 is about 537.9818220066.

The spelling of 155705088 in words is "one hundred fifty-five million, seven hundred five thousand, eighty-eight".