140744172 has 48 divisors (see below), whose sum is σ = 348252800. Its totient is φ = 44115840.

The previous prime is 140744161. The next prime is 140744209. The reversal of 140744172 is 271447041.

140744172 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, 29472 + ... + 33912.

Almost surely, 2^140744172 is an apocalyptic number.

140744172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140744172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174126400).

140744172 is an abundant number, since it is smaller than the sum of its proper divisors (207508628).

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

140744172 is a wasteful number, since it uses less digits than its factorization.

140744172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4604 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 140744172 is about 11863.5648942466. The cubic root of 140744172 is about 520.1678107310.

The spelling of 140744172 in words is "one hundred forty million, seven hundred forty-four thousand, one hundred seventy-two".