142111043 has 16 divisors (see below), whose sum is σ = 156050496. Its totient is φ = 129000960.

The previous prime is 142111019. The next prime is 142111063. The reversal of 142111043 is 340111241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142111043 - 2¹⁸ = 141848899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142111003) 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, 32855 + ... + 36927.

It is an arithmetic number, because the mean of its divisors is an integer number (9753156).

Almost surely, 2^142111043 is an apocalyptic number.

142111043 is a deficient number, since it is larger than the sum of its proper divisors (13939453).

142111043 is a wasteful number, since it uses less digits than its factorization.

142111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142111043 is about 11921.0336380701. The cubic root of 142111043 is about 521.8463004668.

Adding to 142111043 its reverse (340111241), we get a palindrome (482222284).

The spelling of 142111043 in words is "one hundred forty-two million, one hundred eleven thousand, forty-three".