42144306 has 8 divisors (see below), whose sum is σ = 84288624. Its totient is φ = 14048100.

The previous prime is 42144301. The next prime is 42144307. The reversal of 42144306 is 60344124.

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

42144306 is an admirable number.

It is a super-2 number, since 2×42144306² = 3552285056443272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42144301) 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, 3512020 + ... + 3512031.

It is an arithmetic number, because the mean of its divisors is an integer number (10536078).

Almost surely, 2^42144306 is an apocalyptic number.

42144306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144306 is a wasteful number, since it uses less digits than its factorization.

42144306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024056.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42144306 is about 6491.8646011758. The cubic root of 42144306 is about 348.0003137796. Note that the first 3 decimals are identical.

The spelling of 42144306 in words is "forty-two million, one hundred forty-four thousand, three hundred six".