42143266 has 16 divisors (see below), whose sum is σ = 69067008. Its totient is φ = 19126800.

The previous prime is 42143263. The next prime is 42143267. The reversal of 42143266 is 66234124.

It is not an unprimeable number, because it can be changed into a prime (42143263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20836 + ... + 22768.

It is an arithmetic number, because the mean of its divisors is an integer number (4316688).

Almost surely, 2^42143266 is an apocalyptic number.

42143266 is a deficient number, since it is larger than the sum of its proper divisors (26923742).

42143266 is a wasteful number, since it uses less digits than its factorization.

42143266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937.

The product of its digits is 6912, while the sum is 28.

The square root of 42143266 is about 6491.7845004282. The cubic root of 42143266 is about 347.9974512078.

The spelling of 42143266 in words is "forty-two million, one hundred forty-three thousand, two hundred sixty-six".