140444552 has 8 divisors (see below), whose sum is σ = 263333550. Its totient is φ = 70222272.

The previous prime is 140444543. The next prime is 140444567. The reversal of 140444552 is 255444041.

It can be written as a sum of positive squares in only one way, i.e., 90516196 + 49928356 = 9514^2 + 7066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8777777 + ... + 8777792.

Almost surely, 2^140444552 is an apocalyptic number.

It is an amenable number.

140444552 is a deficient number, since it is larger than the sum of its proper divisors (122888998).

140444552 is a wasteful number, since it uses less digits than its factorization.

140444552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555575 (or 17555571 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 140444552 is about 11850.9304276078. The cubic root of 140444552 is about 519.7984327248.

Adding to 140444552 its reverse (255444041), we get a palindrome (395888593).

The spelling of 140444552 in words is "one hundred forty million, four hundred forty-four thousand, five hundred fifty-two".