32144642 has 8 divisors (see below), whose sum is σ = 48287100. Its totient is φ = 16048944.

The previous prime is 32144633. The next prime is 32144647. The reversal of 32144642 is 24644123.

It can be written as a sum of positive squares in 2 ways, for example, as 31820881 + 323761 = 5641^2 + 569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (32144647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9917 + ... + 12752.

Almost surely, 2^32144642 is an apocalyptic number.

32144642 is a deficient number, since it is larger than the sum of its proper divisors (16142458).

32144642 is a wasteful number, since it uses less digits than its factorization.

32144642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380.

The product of its digits is 4608, while the sum is 26.

The square root of 32144642 is about 5669.6245025575. The cubic root of 32144642 is about 317.9578349484.

Adding to 32144642 its reverse (24644123), we get a palindrome (56788765).

The spelling of 32144642 in words is "thirty-two million, one hundred forty-four thousand, six hundred forty-two".