140243532 has 48 divisors (see below), whose sum is σ = 384448512. Its totient is φ = 39228480.

The previous prime is 140243497. The next prime is 140243549. The reversal of 140243532 is 235342041.

140243532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39148 + ... + 42579.

It is an arithmetic number, because the mean of its divisors is an integer number (8009344).

Almost surely, 2^140243532 is an apocalyptic number.

140243532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140243532 is an abundant number, since it is smaller than the sum of its proper divisors (244204980).

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

140243532 is a wasteful number, since it uses less digits than its factorization.

140243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81758 (or 81756 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140243532 is about 11842.4462000045. The cubic root of 140243532 is about 519.5503163646.

Adding to 140243532 its reverse (235342041), we get a palindrome (375585573).

The spelling of 140243532 in words is "one hundred forty million, two hundred forty-three thousand, five hundred thirty-two".