32542144 has 14 divisors (see below), whose sum is σ = 64575944. Its totient is φ = 16271040.

The previous prime is 32542141. The next prime is 32542177. The reversal of 32542144 is 44124523.

It is a happy number.

It is a super-2 number, since 2×32542144² = 2117982272233472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32542141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254172 + ... + 254299.

Almost surely, 2^32542144 is an apocalyptic number.

It is an amenable number.

32542144 is a deficient number, since it is larger than the sum of its proper divisors (32033800).

32542144 is an equidigital number, since it uses as much as digits as its factorization.

32542144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508483 (or 508473 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 32542144 is about 5704.5722013136. The cubic root of 32542144 is about 319.2630960084.

Adding to 32542144 its reverse (44124523), we get a palindrome (76666667).

The spelling of 32542144 in words is "thirty-two million, five hundred forty-two thousand, one hundred forty-four".