142203043 has 16 divisors (see below), whose sum is σ = 151511040. Its totient is φ = 133189056.

The previous prime is 142203031. The next prime is 142203053. The reversal of 142203043 is 340302241.

142203043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142203043 - 2⁹ = 142202531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142203043.

It is not an unprimeable number, because it can be changed into a prime (142203053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259696 + ... + 260242.

It is an arithmetic number, because the mean of its divisors is an integer number (9469440).

Almost surely, 2^142203043 is an apocalyptic number.

142203043 is a deficient number, since it is larger than the sum of its proper divisors (9307997).

142203043 is a wasteful number, since it uses less digits than its factorization.

142203043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142203043 is about 11924.8917395505. The cubic root of 142203043 is about 521.9588873146.

Adding to 142203043 its reverse (340302241), we get a palindrome (482505284).

The spelling of 142203043 in words is "one hundred forty-two million, two hundred three thousand, forty-three".