140743224 has 64 divisors (see below), whose sum is σ = 403584000. Its totient is φ = 45398880.

The previous prime is 140743219. The next prime is 140743237. The reversal of 140743224 is 422347041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (6306000).

Almost surely, 2^140743224 is an apocalyptic number.

It is an amenable number.

140743224 is an abundant number, since it is smaller than the sum of its proper divisors (262840776).

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

140743224 is a wasteful number, since it uses less digits than its factorization.

140743224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065 (or 21055 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 140743224 is about 11863.5249399156. The cubic root of 140743224 is about 520.1666428432.

The spelling of 140743224 in words is "one hundred forty million, seven hundred forty-three thousand, two hundred twenty-four".