32142243 has 16 divisors (see below), whose sum is σ = 51557120. Its totient is φ = 17400096.

The previous prime is 32142239. The next prime is 32142259. The reversal of 32142243 is 34224123.

It is not a de Polignac number, because 32142243 - 2² = 32142239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32142043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39880 + ... + 40677.

It is an arithmetic number, because the mean of its divisors is an integer number (3222320).

Almost surely, 2^32142243 is an apocalyptic number.

32142243 is a deficient number, since it is larger than the sum of its proper divisors (19414877).

32142243 is a wasteful number, since it uses less digits than its factorization.

32142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80586.

The product of its digits is 1152, while the sum is 21.

The square root of 32142243 is about 5669.4129325707. The cubic root of 32142243 is about 317.9499248710.

Adding to 32142243 its reverse (34224123), we get a palindrome (66366366).

It can be divided in two parts, 32142 and 243, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 32142243 in words is "thirty-two million, one hundred forty-two thousand, two hundred forty-three".