155880750 has 64 divisors (see below), whose sum is σ = 409593600. Its totient is φ = 39376800.

The previous prime is 155880749. The next prime is 155880757. The reversal of 155880750 is 57088551.

155880750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155880699 and 155880708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155880757) 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 31 ways as a sum of consecutive naturals, for example, 8781 + ... + 19719.

It is an arithmetic number, because the mean of its divisors is an integer number (6399900).

Almost surely, 2^155880750 is an apocalyptic number.

155880750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155880750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204796800).

155880750 is an abundant number, since it is smaller than the sum of its proper divisors (253712850).

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

155880750 is a wasteful number, since it uses less digits than its factorization.

155880750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978 (or 10968 counting only the distinct ones).

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

The square root of 155880750 is about 12485.2212635580. The cubic root of 155880750 is about 538.1840578440.

The spelling of 155880750 in words is "one hundred fifty-five million, eight hundred eighty thousand, seven hundred fifty".