242144343 has 16 divisors (see below), whose sum is σ = 409980160. Its totient is φ = 138368088.
The previous prime is 242144291. The next prime is 242144359. The reversal of 242144343 is 343441242.
It is a happy number.
It is not a de Polignac number, because 242144343 - 28 = 242144087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242144143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640405 + ... + 640782.
It is an arithmetic number, because the mean of its divisors is an integer number (25623760).
Almost surely, 2242144343 is an apocalyptic number.
242144343 is a deficient number, since it is larger than the sum of its proper divisors (167835817).
242144343 is a wasteful number, since it uses less digits than its factorization.
242144343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1281203 (or 1281197 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 242144343 is about 15560.9878542463. The cubic root of 242144343 is about 623.2918417926.
Adding to 242144343 its reverse (343441242), we get a palindrome (585585585).
It can be divided in two parts, 2421 and 44343, that added together give a palindrome (46764).
The spelling of 242144343 in words is "two hundred forty-two million, one hundred forty-four thousand, three hundred forty-three".
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