32143142 has 4 divisors (see below), whose sum is σ = 48214716. Its totient is φ = 16071570.

The previous prime is 32143129. The next prime is 32143147. The reversal of 32143142 is 24134123.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32143147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035784 + ... + 8035787.

It is an arithmetic number, because the mean of its divisors is an integer number (12053679).

Almost surely, 2^32143142 is an apocalyptic number.

32143142 is a deficient number, since it is larger than the sum of its proper divisors (16071574).

32143142 is a wasteful number, since it uses less digits than its factorization.

32143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071573.

The product of its digits is 576, while the sum is 20.

The square root of 32143142 is about 5669.4922171214. The cubic root of 32143142 is about 317.9528891353.

Adding to 32143142 its reverse (24134123), we get a palindrome (56277265).

The spelling of 32143142 in words is "thirty-two million, one hundred forty-three thousand, one hundred forty-two".