232015158144 has 768 divisors, whose sum is σ = 853290547200. Its totient is φ = 58773012480.

The previous prime is 232015158131. The next prime is 232015158209. The reversal of 232015158144 is 441851510232.

232015158144 is a `hidden beast` number, since 2 + 3 + 20 + 1 + 51 + 581 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 232015158099 and 232015158108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 791860462 + ... + 791860754.

It is an arithmetic number, because the mean of its divisors is an integer number (1111055400).

Almost surely, 2^232015158144 is an apocalyptic number.

232015158144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232015158144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426645273600).

232015158144 is an abundant number, since it is smaller than the sum of its proper divisors (621275389056).

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

232015158144 is a wasteful number, since it uses less digits than its factorization.

232015158144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 232015158144 its reverse (441851510232), we get a palindrome (673866668376).

The spelling of 232015158144 in words is "two hundred thirty-two billion, fifteen million, one hundred fifty-eight thousand, one hundred forty-four".