43142087 has 2 divisors, whose sum is σ = 43142088. Its totient is φ = 43142086.

The previous prime is 43142083. The next prime is 43142119. The reversal of 43142087 is 78024134.

43142087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43142087 - 2² = 43142083 is a prime.

It is a super-2 number, since 2×43142087² = 3722479341431138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43142083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571043 + 21571044.

It is an arithmetic number, because the mean of its divisors is an integer number (21571044).

Almost surely, 2^43142087 is an apocalyptic number.

43142087 is a deficient number, since it is larger than the sum of its proper divisors (1).

43142087 is an equidigital number, since it uses as much as digits as its factorization.

43142087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 43142087 is about 6568.2636213843. The cubic root of 43142087 is about 350.7252634316.

The spelling of 43142087 in words is "forty-three million, one hundred forty-two thousand, eighty-seven".