43431142 has 8 divisors (see below), whose sum is σ = 66119256. Its totient is φ = 21391392.

The previous prime is 43431137. The next prime is 43431151. The reversal of 43431142 is 24113434.

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

It is a super-3 number, since 3×43431142³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161923 + ... + 162190.

It is an arithmetic number, because the mean of its divisors is an integer number (8264907).

Almost surely, 2^43431142 is an apocalyptic number.

43431142 is a deficient number, since it is larger than the sum of its proper divisors (22688114).

43431142 is a wasteful number, since it uses less digits than its factorization.

43431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324182.

The product of its digits is 1152, while the sum is 22.

The square root of 43431142 is about 6590.2308002072. The cubic root of 43431142 is about 351.5068151356.

Adding to 43431142 its reverse (24113434), we get a palindrome (67544576).

The spelling of 43431142 in words is "forty-three million, four hundred thirty-one thousand, one hundred forty-two".