142304243 has 16 divisors (see below), whose sum is σ = 159962880. Its totient is φ = 125937504.

The previous prime is 142304237. The next prime is 142304249. The reversal of 142304243 is 342403241.

It is an interprime number because it is at equal distance from previous prime (142304237) and next prime (142304249).

It is a cyclic number.

It is not a de Polignac number, because 142304243 - 2¹⁰ = 142303219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142304249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15005 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (9997680).

Almost surely, 2^142304243 is an apocalyptic number.

142304243 is a deficient number, since it is larger than the sum of its proper divisors (17658637).

142304243 is a wasteful number, since it uses less digits than its factorization.

142304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142304243 is about 11929.1342099919. The cubic root of 142304243 is about 522.0826767751.

Adding to 142304243 its reverse (342403241), we get a palindrome (484707484).

The spelling of 142304243 in words is "one hundred forty-two million, three hundred four thousand, two hundred forty-three".