142022043 has 12 divisors (see below), whose sum is σ = 206451648. Its totient is φ = 94077360.

The previous prime is 142022039. The next prime is 142022051. The reversal of 142022043 is 340220241.

It is not a de Polignac number, because 142022043 - 2² = 142022039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142022053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48843 + ... + 51668.

It is an arithmetic number, because the mean of its divisors is an integer number (17204304).

Almost surely, 2^142022043 is an apocalyptic number.

142022043 is a deficient number, since it is larger than the sum of its proper divisors (64429605).

142022043 is a wasteful number, since it uses less digits than its factorization.

142022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100674 (or 100671 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142022043 is about 11917.3001556561. The cubic root of 142022043 is about 521.7373386795.

Adding to 142022043 its reverse (340220241), we get a palindrome (482242284).

The spelling of 142022043 in words is "one hundred forty-two million, twenty-two thousand, forty-three".