140443872 has 24 divisors (see below), whose sum is σ = 368665416. Its totient is φ = 46814592.

The previous prime is 140443867. The next prime is 140443883. The reversal of 140443872 is 278344041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731383 + ... + 731574.

It is an arithmetic number, because the mean of its divisors is an integer number (15361059).

Almost surely, 2^140443872 is an apocalyptic number.

140443872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140443872 is an abundant number, since it is smaller than the sum of its proper divisors (228221544).

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

140443872 is a wasteful number, since it uses less digits than its factorization.

140443872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462970 (or 1462962 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 140443872 is about 11850.9017378426. The cubic root of 140443872 is about 519.7975938089.

The spelling of 140443872 in words is "one hundred forty million, four hundred forty-three thousand, eight hundred seventy-two".