43142142 has 16 divisors (see below), whose sum is σ = 89068032. Its totient is φ = 13916760.

The previous prime is 43142123. The next prime is 43142167. The reversal of 43142142 is 24124134.

It is a super-2 number, since 2×43142142² = 3722488832696328, which contains 22 as substring.

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, 115788 + ... + 116159.

It is an arithmetic number, because the mean of its divisors is an integer number (5566752).

Almost surely, 2^43142142 is an apocalyptic number.

43142142 is an abundant number, since it is smaller than the sum of its proper divisors (45925890).

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

43142142 is a wasteful number, since it uses less digits than its factorization.

43142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231983.

The product of its digits is 768, while the sum is 21.

The square root of 43142142 is about 6568.2678081820. The cubic root of 43142142 is about 350.7254124731.

Adding to 43142142 its reverse (24124134), we get a palindrome (67266276).

The spelling of 43142142 in words is "forty-three million, one hundred forty-two thousand, one hundred forty-two".