242544459 has 8 divisors (see below), whose sum is σ = 323466640. Its totient is φ = 161659296.

The previous prime is 242544413. The next prime is 242544469. The reversal of 242544459 is 954445242.

It is a happy number.

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

It is not a de Polignac number, because 242544459 - 2⁷ = 242544331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242544409) 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, 15489 + ... + 26925.

It is an arithmetic number, because the mean of its divisors is an integer number (40433330).

Almost surely, 2^242544459 is an apocalyptic number.

242544459 is a deficient number, since it is larger than the sum of its proper divisors (80922181).

242544459 is a wasteful number, since it uses less digits than its factorization.

242544459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18509.

The product of its digits is 230400, while the sum is 39.

The square root of 242544459 is about 15573.8389294355. The cubic root of 242544459 is about 623.6349591788.

It can be divided in two parts, 2425444 and 59, that added together give a triangular number (2425503 = T₂₂₀₂).

The spelling of 242544459 in words is "two hundred forty-two million, five hundred forty-four thousand, four hundred fifty-nine".