155152230 has 32 divisors (see below), whose sum is σ = 374022144. Its totient is φ = 41189856.

The previous prime is 155152223. The next prime is 155152243. The reversal of 155152230 is 32251551.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 155152230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (11688192).

Almost surely, 2^155152230 is an apocalyptic number.

155152230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155152230 is an abundant number, since it is smaller than the sum of its proper divisors (218869914).

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

155152230 is a wasteful number, since it uses less digits than its factorization.

155152230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 155152230 is about 12456.0118015358. The cubic root of 155152230 is about 537.3443342260.

The spelling of 155152230 in words is "one hundred fifty-five million, one hundred fifty-two thousand, two hundred thirty".