32140144 has 20 divisors (see below), whose sum is σ = 62765824. Its totient is φ = 15942528.

The previous prime is 32140139. The next prime is 32140159. The reversal of 32140144 is 44104123.

It is a congruent number.

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, 5877 + ... + 9940.

Almost surely, 2^32140144 is an apocalyptic number.

It is an amenable number.

32140144 is a deficient number, since it is larger than the sum of its proper divisors (30625680).

32140144 is a wasteful number, since it uses less digits than its factorization.

32140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952 (or 15946 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 32140144 is about 5669.2278133799. The cubic root of 32140144 is about 317.9430036425.

Adding to 32140144 its reverse (44104123), we get a palindrome (76244267).

The spelling of 32140144 in words is "thirty-two million, one hundred forty thousand, one hundred forty-four".