155003230 has 32 divisors (see below), whose sum is σ = 283176000. Its totient is φ = 61082112.

The previous prime is 155003213. The next prime is 155003237. The reversal of 155003230 is 32300551.

It is a junction number, because it is equal to n+sod(n) for n = 155003198 and 155003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155003237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258471 + ... + 259069.

It is an arithmetic number, because the mean of its divisors is an integer number (8849250).

Almost surely, 2^155003230 is an apocalyptic number.

155003230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155003230 is a deficient number, since it is larger than the sum of its proper divisors (128172770).

155003230 is a wasteful number, since it uses less digits than its factorization.

155003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 155003230 is about 12450.0293172346. The cubic root of 155003230 is about 537.1722667683.

Adding to 155003230 its reverse (32300551), we get a palindrome (187303781).

The spelling of 155003230 in words is "one hundred fifty-five million, three thousand, two hundred thirty".