155029230 has 48 divisors (see below), whose sum is σ = 404520480. Its totient is φ = 41193024.

The previous prime is 155029219. The next prime is 155029247. The reversal of 155029230 is 32920551.

It is a junction number, because it is equal to n+sod(n) for n = 155029194 and 155029203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23431 + ... + 29309.

It is an arithmetic number, because the mean of its divisors is an integer number (8427510).

Almost surely, 2^155029230 is an apocalyptic number.

155029230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155029230 is an abundant number, since it is smaller than the sum of its proper divisors (249491250).

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

155029230 is a wasteful number, since it uses less digits than its factorization.

155029230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 155029230 is about 12451.0734476992. The cubic root of 155029230 is about 537.2022999018.

Adding to 155029230 its reverse (32920551), we get a palindrome (187949781).

The spelling of 155029230 in words is "one hundred fifty-five million, twenty-nine thousand, two hundred thirty".