142144043 has 4 divisors (see below), whose sum is σ = 143472600. Its totient is φ = 140815488.

The previous prime is 142144031. The next prime is 142144049. The reversal of 142144043 is 340441241.

It is a happy number.

142144043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340441241 = 7 ⋅48634463.

It is a cyclic number.

It is not a de Polignac number, because 142144043 - 2⁸ = 142143787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142144049) 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, 664118 + ... + 664331.

It is an arithmetic number, because the mean of its divisors is an integer number (35868150).

Almost surely, 2^142144043 is an apocalyptic number.

142144043 is a deficient number, since it is larger than the sum of its proper divisors (1328557).

142144043 is a wasteful number, since it uses less digits than its factorization.

142144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328556.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142144043 is about 11922.4176658931. The cubic root of 142144043 is about 521.8866904668.

Adding to 142144043 its reverse (340441241), we get a palindrome (482585284).

The spelling of 142144043 in words is "one hundred forty-two million, one hundred forty-four thousand, forty-three".