140543272 has 16 divisors (see below), whose sum is σ = 264150900. Its totient is φ = 70103040.

The previous prime is 140543257. The next prime is 140543303. The reversal of 140543272 is 272345041.

It can be written as a sum of positive squares in 2 ways, for example, as 90897156 + 49646116 = 9534^2 + 7046^2 .

It is a super-2 number, since 2×140543272² = 39504822608931968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140543272.

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, 17497 + ... + 24232.

Almost surely, 2^140543272 is an apocalyptic number.

It is an amenable number.

140543272 is a deficient number, since it is larger than the sum of its proper divisors (123607628).

140543272 is a wasteful number, since it uses less digits than its factorization.

140543272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42156 (or 42152 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140543272 is about 11855.0947697604. The cubic root of 140543272 is about 519.9201948534.

The spelling of 140543272 in words is "one hundred forty million, five hundred forty-three thousand, two hundred seventy-two".