140745424 has 20 divisors (see below), whose sum is σ = 275982336. Its totient is φ = 69524192.

The previous prime is 140745421. The next prime is 140745433. The reversal of 140745424 is 424547041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140745421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51664 + ... + 54319.

Almost surely, 2^140745424 is an apocalyptic number.

It is an amenable number.

140745424 is a deficient number, since it is larger than the sum of its proper divisors (135236912).

140745424 is a wasteful number, since it uses less digits than its factorization.

140745424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106074 (or 106068 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 140745424 is about 11863.6176607306. The cubic root of 140745424 is about 520.1693531233.

The spelling of 140745424 in words is "one hundred forty million, seven hundred forty-five thousand, four hundred twenty-four".