32151142 has 8 divisors (see below), whose sum is σ = 48438000. Its totient is φ = 16005144.

The previous prime is 32151139. The next prime is 32151151. The reversal of 32151142 is 24115123.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 34642 + ... + 35557.

It is an arithmetic number, because the mean of its divisors is an integer number (6054750).

Almost surely, 2^32151142 is an apocalyptic number.

32151142 is a deficient number, since it is larger than the sum of its proper divisors (16286858).

32151142 is a wasteful number, since it uses less digits than its factorization.

32151142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70430.

The product of its digits is 240, while the sum is 19.

The square root of 32151142 is about 5670.1977037842. The cubic root of 32151142 is about 317.9792650273.

Adding to 32151142 its reverse (24115123), we get a palindrome (56266265).

The spelling of 32151142 in words is "thirty-two million, one hundred fifty-one thousand, one hundred forty-two".