32557142 has 8 divisors (see below), whose sum is σ = 51708456. Its totient is φ = 15320992.

The previous prime is 32557141. The next prime is 32557181. The reversal of 32557142 is 24175523.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32557141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478748 + ... + 478815.

It is an arithmetic number, because the mean of its divisors is an integer number (6463557).

Almost surely, 2^32557142 is an apocalyptic number.

32557142 is a deficient number, since it is larger than the sum of its proper divisors (19151314).

32557142 is a wasteful number, since it uses less digits than its factorization.

32557142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957582.

The product of its digits is 8400, while the sum is 29.

The square root of 32557142 is about 5705.8866094587. The cubic root of 32557142 is about 319.3121357243.

The spelling of 32557142 in words is "thirty-two million, five hundred fifty-seven thousand, one hundred forty-two".