140557444 has 12 divisors (see below), whose sum is σ = 247605568. Its totient is φ = 69813000.

The previous prime is 140557381. The next prime is 140557463. The reversal of 140557444 is 444755041.

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, 115752 + ... + 116959.

Almost surely, 2^140557444 is an apocalyptic number.

It is an amenable number.

140557444 is a deficient number, since it is larger than the sum of its proper divisors (107048124).

140557444 is a wasteful number, since it uses less digits than its factorization.

140557444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232866 (or 232864 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 140557444 is about 11855.6924723949. The cubic root of 140557444 is about 519.9376700439.

The spelling of 140557444 in words is "one hundred forty million, five hundred fifty-seven thousand, four hundred forty-four".