42144267 has 8 divisors (see below), whose sum is σ = 61300800. Its totient is φ = 25541960.

The previous prime is 42144253. The next prime is 42144293. The reversal of 42144267 is 76244124.

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

It is a cyclic number.

It is not a de Polignac number, because 42144267 - 2²² = 37949963 is a prime.

It is a super-2 number, since 2×42144267² = 3552278481934578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144217) 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, 638517 + ... + 638582.

It is an arithmetic number, because the mean of its divisors is an integer number (7662600).

Almost surely, 2^42144267 is an apocalyptic number.

42144267 is a deficient number, since it is larger than the sum of its proper divisors (19156533).

42144267 is a wasteful number, since it uses less digits than its factorization.

42144267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277113.

The product of its digits is 10752, while the sum is 30.

The square root of 42144267 is about 6491.8615974156. The cubic root of 42144267 is about 348.0002064340. Note that the first 3 decimals are identical.

The spelling of 42144267 in words is "forty-two million, one hundred forty-four thousand, two hundred sixty-seven".