230144140 has 36 divisors (see below), whose sum is σ = 488735856. Its totient is φ = 91034112.

The previous prime is 230144137. The next prime is 230144153. The reversal of 230144140 is 41441032.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187569 + ... + 188791.

It is an arithmetic number, because the mean of its divisors is an integer number (13575996).

Almost surely, 2^230144140 is an apocalyptic number.

230144140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230144140 is an abundant number, since it is smaller than the sum of its proper divisors (258591716).

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

230144140 is a wasteful number, since it uses less digits than its factorization.

230144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 230144140 is about 15170.5022988693. The cubic root of 230144140 is about 612.8205313845.

Adding to 230144140 its reverse (41441032), we get a palindrome (271585172).

The spelling of 230144140 in words is "two hundred thirty million, one hundred forty-four thousand, one hundred forty".