9142043 has 4 divisors (see below), whose sum is σ = 9150480. Its totient is φ = 9133608.

The previous prime is 9142037. The next prime is 9142061. The reversal of 9142043 is 3402419.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3402419 = 83 ⋅40993.

It is a cyclic number.

It is not a de Polignac number, because 9142043 - 2¹⁴ = 9125659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9142013) 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, 2303 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (2287620).

Almost surely, 2^9142043 is an apocalyptic number.

9142043 is a deficient number, since it is larger than the sum of its proper divisors (8437).

9142043 is a wasteful number, since it uses less digits than its factorization.

9142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 9142043 is about 3023.5811548559. The cubic root of 9142043 is about 209.0969765840.

The spelling of 9142043 in words is "nine million, one hundred forty-two thousand, forty-three".