43143074 has 8 divisors (see below), whose sum is σ = 69692700. Its totient is φ = 19912176.

The previous prime is 43143071. The next prime is 43143119. The reversal of 43143074 is 47034134.

It can be written as a sum of positive squares in 2 ways, for example, as 42055225 + 1087849 = 6485^2 + 1043^2 .

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

It is a super-2 number, since 2×43143074² = 3722649668338952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1659349 = 43143074 / (4 + 3 + 1 + 4 + 3 + 0 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (43143071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829649 + ... + 829700.

Almost surely, 2^43143074 is an apocalyptic number.

43143074 is a deficient number, since it is larger than the sum of its proper divisors (26549626).

43143074 is a wasteful number, since it uses less digits than its factorization.

43143074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659364.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43143074 is about 6568.3387549669. The cubic root of 43143074 is about 350.7279380294.

The spelling of 43143074 in words is "forty-three million, one hundred forty-three thousand, seventy-four".