140044528 has 20 divisors (see below), whose sum is σ = 292208728. Its totient is φ = 64635840.

The previous prime is 140044523. The next prime is 140044543. The reversal of 140044528 is 825440041.

It is a super-2 number, since 2×140044528² = 39224939645485568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140044496 and 140044505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336438 + ... + 336853.

Almost surely, 2^140044528 is an apocalyptic number.

It is an amenable number.

140044528 is an abundant number, since it is smaller than the sum of its proper divisors (152164200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140044528 is a wasteful number, since it uses less digits than its factorization.

140044528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673312 (or 673306 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 140044528 is about 11834.0410680376. The cubic root of 140044528 is about 519.3044546777.

Adding to 140044528 its reverse (825440041), we get a palindrome (965484569).

The spelling of 140044528 in words is "one hundred forty million, forty-four thousand, five hundred twenty-eight".