42802143 has 4 divisors (see below), whose sum is σ = 57069528. Its totient is φ = 28534760.

The previous prime is 42802129. The next prime is 42802153. The reversal of 42802143 is 34120824.

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 42802143 - 2¹³ = 42793951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42802153) 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, 7133688 + ... + 7133693.

It is an arithmetic number, because the mean of its divisors is an integer number (14267382).

Almost surely, 2^42802143 is an apocalyptic number.

42802143 is a deficient number, since it is larger than the sum of its proper divisors (14267385).

42802143 is a wasteful number, since it uses less digits than its factorization.

42802143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14267384.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42802143 is about 6542.3346750224. The cubic root of 42802143 is about 349.8016372589.

Adding to 42802143 its reverse (34120824), we get a palindrome (76922967).

The spelling of 42802143 in words is "forty-two million, eight hundred two thousand, one hundred forty-three".