32142442 has 16 divisors (see below), whose sum is σ = 49891464. Its totient is φ = 15520000.

The previous prime is 32142437. The next prime is 32142449. The reversal of 32142442 is 24424123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29041321 + 3101121 = 5389^2 + 1761^2 .

It is not an unprimeable number, because it can be changed into a prime (32142449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342 + ... + 10222.

Almost surely, 2^32142442 is an apocalyptic number.

32142442 is a deficient number, since it is larger than the sum of its proper divisors (17749022).

32142442 is a wasteful number, since it uses less digits than its factorization.

32142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its digits is 1536, while the sum is 22.

The square root of 32142442 is about 5669.4304828616. The cubic root of 32142442 is about 317.9505810366.

Adding to 32142442 its reverse (24424123), we get a palindrome (56566565).

The spelling of 32142442 in words is "thirty-two million, one hundred forty-two thousand, four hundred forty-two".