140443552 has 12 divisors (see below), whose sum is σ = 276498306. Its totient is φ = 70221760.

The previous prime is 140443517. The next prime is 140443577. The reversal of 140443552 is 255344041.

It can be written as a sum of positive squares in only one way, i.e., 140280336 + 163216 = 11844^2 + 404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140443552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194399 + ... + 2194462.

Almost surely, 2^140443552 is an apocalyptic number.

It is an amenable number.

140443552 is a deficient number, since it is larger than the sum of its proper divisors (136054754).

140443552 is an equidigital number, since it uses as much as digits as its factorization.

140443552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388871 (or 4388863 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140443552 is about 11850.8882367526. Note that the first 3 decimals coincide. The cubic root of 140443552 is about 519.7971990240.

Adding to 140443552 its reverse (255344041), we get a palindrome (395787593).

The spelling of 140443552 in words is "one hundred forty million, four hundred forty-three thousand, five hundred fifty-two".