43394142 has 32 divisors (see below), whose sum is σ = 95007744. Its totient is φ = 13104000.

The previous prime is 43394137. The next prime is 43394161. The reversal of 43394142 is 24149334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21267 + ... + 23217.

It is an arithmetic number, because the mean of its divisors is an integer number (2968992).

Almost surely, 2^43394142 is an apocalyptic number.

43394142 is an abundant number, since it is smaller than the sum of its proper divisors (51613602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43394142 is a wasteful number, since it uses less digits than its factorization.

43394142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its digits is 10368, while the sum is 30.

The square root of 43394142 is about 6587.4230166280. The cubic root of 43394142 is about 351.4069678324.

The spelling of 43394142 in words is "forty-three million, three hundred ninety-four thousand, one hundred forty-two".