302141143 has 4 divisors (see below), whose sum is σ = 304965000. Its totient is φ = 299317288.

The previous prime is 302141107. The next prime is 302141207. The reversal of 302141143 is 341141203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 302141143 - 2²⁵ = 268586711 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 302141143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411768 + ... + 1411981.

It is an arithmetic number, because the mean of its divisors is an integer number (76241250).

Almost surely, 2^302141143 is an apocalyptic number.

302141143 is a deficient number, since it is larger than the sum of its proper divisors (2823857).

302141143 is a wasteful number, since it uses less digits than its factorization.

302141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823856.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 302141143 is about 17382.2076561063. The cubic root of 302141143 is about 671.0217891043.

Adding to 302141143 its reverse (341141203), we get a palindrome (643282346).

The spelling of 302141143 in words is "three hundred two million, one hundred forty-one thousand, one hundred forty-three".