142004043 has 48 divisors (see below), whose sum is σ = 235366560. Its totient is φ = 84312576.

The previous prime is 142004029. The next prime is 142004063. The reversal of 142004043 is 340400241.

It is not a de Polignac number, because 142004043 - 2⁹ = 142003531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142004063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165271 + ... + 166127.

It is an arithmetic number, because the mean of its divisors is an integer number (4903470).

Almost surely, 2^142004043 is an apocalyptic number.

142004043 is a deficient number, since it is larger than the sum of its proper divisors (93362517).

142004043 is a wasteful number, since it uses less digits than its factorization.

142004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 896 counting only the distinct ones).

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

The square root of 142004043 is about 11916.5449271171. The cubic root of 142004043 is about 521.7152959302.

Adding to 142004043 its reverse (340400241), we get a palindrome (482404284).

The spelling of 142004043 in words is "one hundred forty-two million, four thousand, forty-three".