155235030 has 16 divisors (see below), whose sum is σ = 372564144. Its totient is φ = 41396000.

The previous prime is 155235029. The next prime is 155235037. The reversal of 155235030 is 30532551.

155235030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155235037) 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, 2587221 + ... + 2587280.

It is an arithmetic number, because the mean of its divisors is an integer number (23285259).

Almost surely, 2^155235030 is an apocalyptic number.

155235030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155235030 is an abundant number, since it is smaller than the sum of its proper divisors (217329114).

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

155235030 is a wasteful number, since it uses less digits than its factorization.

155235030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174511.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 155235030 is about 12459.3350544883. The cubic root of 155235030 is about 537.4399053059.

Adding to 155235030 its reverse (30532551), we get a palindrome (185767581).

The spelling of 155235030 in words is "one hundred fifty-five million, two hundred thirty-five thousand, thirty".