43320142 has 8 divisors (see below), whose sum is σ = 67221000. Its totient is φ = 20913144.

The previous prime is 43320119. The next prime is 43320143. The reversal of 43320142 is 24102334.

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 (43320143) 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 in 3 ways as a sum of consecutive naturals, for example, 373392 + ... + 373507.

It is an arithmetic number, because the mean of its divisors is an integer number (8402625).

Almost surely, 2^43320142 is an apocalyptic number.

43320142 is a deficient number, since it is larger than the sum of its proper divisors (23900858).

43320142 is a wasteful number, since it uses less digits than its factorization.

43320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746930.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43320142 is about 6581.8038560869. The cubic root of 43320142 is about 351.2071028273.

Adding to 43320142 its reverse (24102334), we get a palindrome (67422476).

The spelling of 43320142 in words is "forty-three million, three hundred twenty thousand, one hundred forty-two".