43142047 has 8 divisors (see below), whose sum is σ = 46663344. Its totient is φ = 39649728.

The previous prime is 43142017. The next prime is 43142063. The reversal of 43142047 is 74024134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43142047 is a prime.

It is a super-2 number, since 2×43142047² = 3722472438700418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 10150.

It is an arithmetic number, because the mean of its divisors is an integer number (5832918).

Almost surely, 2^43142047 is an apocalyptic number.

43142047 is a deficient number, since it is larger than the sum of its proper divisors (3521297).

43142047 is a wasteful number, since it uses less digits than its factorization.

43142047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 43142047 is about 6568.2605764388. The cubic root of 43142047 is about 350.7251550377.

The spelling of 43142047 in words is "forty-three million, one hundred forty-two thousand, forty-seven".