140043232 has 48 divisors (see below), whose sum is σ = 316697472. Its totient is φ = 59713920.

The previous prime is 140043209. The next prime is 140043247. The reversal of 140043232 is 232340041.

It is a super-2 number, since 2×140043232² = 39224213658011648, 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, 45783 + ... + 48745.

It is an arithmetic number, because the mean of its divisors is an integer number (6597864).

Almost surely, 2^140043232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140043232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158348736).

140043232 is an abundant number, since it is smaller than the sum of its proper divisors (176654240).

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

140043232 is a wasteful number, since it uses less digits than its factorization.

140043232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3183 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140043232 is about 11833.9863106225. The cubic root of 140043232 is about 519.3028527571.

Adding to 140043232 its reverse (232340041), we get a palindrome (372383273).

The spelling of 140043232 in words is "one hundred forty million, forty-three thousand, two hundred thirty-two".