140143032 has 48 divisors (see below), whose sum is σ = 380562000. Its totient is φ = 46590336.

The previous prime is 140143007. The next prime is 140143039. The reversal of 140143032 is 230341041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140142996 and 140143014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143039) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27069 + ... + 31827.

It is an arithmetic number, because the mean of its divisors is an integer number (7928375).

Almost surely, 2^140143032 is an apocalyptic number.

140143032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140143032 is an abundant number, since it is smaller than the sum of its proper divisors (240418968).

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

140143032 is a wasteful number, since it uses less digits than its factorization.

140143032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140143032 is about 11838.2022283791. The cubic root of 140143032 is about 519.4261816218.

Adding to 140143032 its reverse (230341041), we get a palindrome (370484073).

The spelling of 140143032 in words is "one hundred forty million, one hundred forty-three thousand, thirty-two".