140745432 has 32 divisors (see below), whose sum is σ = 352324800. Its totient is φ = 46853664.

The previous prime is 140745421. The next prime is 140745433. The reversal of 140745432 is 234547041.

It is a self number, because there is not a number n which added to its sum of digits gives 140745432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140745433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17203 + ... + 24029.

It is an arithmetic number, because the mean of its divisors is an integer number (11010150).

Almost surely, 2^140745432 is an apocalyptic number.

140745432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140745432 is an abundant number, since it is smaller than the sum of its proper divisors (211579368).

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

140745432 is a wasteful number, since it uses less digits than its factorization.

140745432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695 (or 7691 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 140745432 is about 11863.6179978959. The cubic root of 140745432 is about 520.1693629788.

The spelling of 140745432 in words is "one hundred forty million, seven hundred forty-five thousand, four hundred thirty-two".