140044252 has 6 divisors (see below), whose sum is σ = 245077448. Its totient is φ = 70022124.

The previous prime is 140044241. The next prime is 140044301. The reversal of 140044252 is 252440041.

It is a happy number.

It is a super-2 number, since 2×140044252² = 39224785036479008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505528 + ... + 17505535.

Almost surely, 2^140044252 is an apocalyptic number.

It is an amenable number.

140044252 is a deficient number, since it is larger than the sum of its proper divisors (105033196).

140044252 is a wasteful number, since it uses less digits than its factorization.

140044252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35011067 (or 35011065 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140044252 is about 11834.0294067574. The cubic root of 140044252 is about 519.3041135288.

Adding to 140044252 its reverse (252440041), we get a palindrome (392484293).

The spelling of 140044252 in words is "one hundred forty million, forty-four thousand, two hundred fifty-two".