140451242 has 8 divisors (see below), whose sum is σ = 210753732. Its totient is φ = 70200000.

The previous prime is 140451239. The next prime is 140451253. The reversal of 140451242 is 242154041.

It can be written as a sum of positive squares in 2 ways, for example, as 140446201 + 5041 = 11851^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5009 + ... + 17492.

Almost surely, 2^140451242 is an apocalyptic number.

140451242 is a deficient number, since it is larger than the sum of its proper divisors (70302490).

140451242 is a wasteful number, since it uses less digits than its factorization.

140451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25624.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 140451242 is about 11851.2126805656. The cubic root of 140451242 is about 519.8066860325.

The spelling of 140451242 in words is "one hundred forty million, four hundred fifty-one thousand, two hundred forty-two".