42289459 has 8 divisors (see below), whose sum is σ = 44911440. Its totient is φ = 39707136.

The previous prime is 42289451. The next prime is 42289463. The reversal of 42289459 is 95498224.

It is a happy number.

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 42289459 - 2³ = 42289451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42289451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7702 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (5613930).

Almost surely, 2^42289459 is an apocalyptic number.

42289459 is a deficient number, since it is larger than the sum of its proper divisors (2621981).

42289459 is a wasteful number, since it uses less digits than its factorization.

42289459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829.

The product of its digits is 207360, while the sum is 43.

The square root of 42289459 is about 6503.0345993236. The cubic root of 42289459 is about 348.3993823813.

The spelling of 42289459 in words is "forty-two million, two hundred eighty-nine thousand, four hundred fifty-nine".