43291142 has 16 divisors (see below), whose sum is σ = 68448240. Its totient is φ = 20503392.

The previous prime is 43291123. The next prime is 43291187. The reversal of 43291142 is 24119234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (4278015).

Almost surely, 2^43291142 is an apocalyptic number.

43291142 is a deficient number, since it is larger than the sum of its proper divisors (25157098).

43291142 is a wasteful number, since it uses less digits than its factorization.

43291142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167.

The product of its digits is 1728, while the sum is 26.

The square root of 43291142 is about 6579.6004437960. The cubic root of 43291142 is about 351.1287152760.

The spelling of 43291142 in words is "forty-three million, two hundred ninety-one thousand, one hundred forty-two".