130232144 has 40 divisors (see below), whose sum is σ = 289177920. Its totient is φ = 55657728.

The previous prime is 130232129. The next prime is 130232153. The reversal of 130232144 is 441232031.

It is a super-2 number, since 2×130232144² = 33920822661673472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44387 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (7229448).

Almost surely, 2^130232144 is an apocalyptic number.

130232144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130232144 is an abundant number, since it is smaller than the sum of its proper divisors (158945776).

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

130232144 is a wasteful number, since it uses less digits than its factorization.

130232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130232144 is about 11411.9298981373. The cubic root of 130232144 is about 506.8810596221.

Adding to 130232144 its reverse (441232031), we get a palindrome (571464175).

The spelling of 130232144 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred forty-four".