155235500 has 96 divisors (see below), whose sum is σ = 410417280. Its totient is φ = 50073600.

The previous prime is 155235467. The next prime is 155235527. The reversal of 155235500 is 5532551.

155235500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155235500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58196 + ... + 60804.

It is an arithmetic number, because the mean of its divisors is an integer number (4275180).

Almost surely, 2^155235500 is an apocalyptic number.

155235500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155235500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205208640).

155235500 is an abundant number, since it is smaller than the sum of its proper divisors (255181780).

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

155235500 is a wasteful number, since it uses less digits than its factorization.

155235500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 155235500 is about 12459.3539158337. The cubic root of 155235500 is about 537.4404477018.

The spelling of 155235500 in words is "one hundred fifty-five million, two hundred thirty-five thousand, five hundred".