140553242 has 16 divisors (see below), whose sum is σ = 213264360. Its totient is φ = 69468672.

The previous prime is 140553187. The next prime is 140553247. The reversal of 140553242 is 242355041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99580441 + 40972801 = 9979^2 + 6401^2 .

It is not an unprimeable number, because it can be changed into a prime (140553247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128048 + ... + 129140.

Almost surely, 2^140553242 is an apocalyptic number.

140553242 is a deficient number, since it is larger than the sum of its proper divisors (72711118).

140553242 is a wasteful number, since it uses less digits than its factorization.

140553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140553242 is about 11855.5152566221. The cubic root of 140553242 is about 519.9324887700.

The spelling of 140553242 in words is "one hundred forty million, five hundred fifty-three thousand, two hundred forty-two".