140452532 has 24 divisors (see below), whose sum is σ = 268716000. Its totient is φ = 63704160.

The previous prime is 140452523. The next prime is 140452547. The reversal of 140452532 is 235254041.

It is a happy number.

It is a super-2 number, since 2×140452532² = 39453827490422048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18758 + ... + 25154.

It is an arithmetic number, because the mean of its divisors is an integer number (11196500).

Almost surely, 2^140452532 is an apocalyptic number.

It is an amenable number.

140452532 is a deficient number, since it is larger than the sum of its proper divisors (128263468).

140452532 is a wasteful number, since it uses less digits than its factorization.

140452532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911 (or 6909 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140452532 is about 11851.2671052508. The cubic root of 140452532 is about 519.8082774473.

The spelling of 140452532 in words is "one hundred forty million, four hundred fifty-two thousand, five hundred thirty-two".