142859043 has 24 divisors (see below), whose sum is σ = 219348480. Its totient is φ = 89339760.

The previous prime is 142859039. The next prime is 142859051. The reversal of 142859043 is 340958241.

142859043 is a `hidden beast` number, since 1 + 4 + 28 + 590 + 43 = 666.

It is not a de Polignac number, because 142859043 - 2² = 142859039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142858989 and 142859007.

It is not an unprimeable number, because it can be changed into a prime (142859033) 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 in 23 ways as a sum of consecutive naturals, for example, 13558 + ... + 21668.

It is an arithmetic number, because the mean of its divisors is an integer number (9139520).

Almost surely, 2^142859043 is an apocalyptic number.

142859043 is a deficient number, since it is larger than the sum of its proper divisors (76489437).

142859043 is a wasteful number, since it uses less digits than its factorization.

142859043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239 (or 8236 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 142859043 is about 11952.3655817583. The cubic root of 142859043 is about 522.7602762990.

The spelling of 142859043 in words is "one hundred forty-two million, eight hundred fifty-nine thousand, forty-three".