42045266 has 8 divisors (see below), whose sum is σ = 63626364. Its totient is φ = 20836480.

The previous prime is 42045259. The next prime is 42045281. The reversal of 42045266 is 66254024.

It can be written as a sum of positive squares in 2 ways, for example, as 33466225 + 8579041 = 5785^2 + 2929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92795 + ... + 93246.

Almost surely, 2^42045266 is an apocalyptic number.

42045266 is a deficient number, since it is larger than the sum of its proper divisors (21581098).

42045266 is a wasteful number, since it uses less digits than its factorization.

42045266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186156.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 42045266 is about 6484.2321056545. The cubic root of 42045266 is about 347.7274972893.

The spelling of 42045266 in words is "forty-two million, forty-five thousand, two hundred sixty-six".