255343442 has 4 divisors (see below), whose sum is σ = 383015166. Its totient is φ = 127671720.

The previous prime is 255343427. The next prime is 255343457. The reversal of 255343442 is 244343552.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (255343427) and next prime (255343457).

It can be written as a sum of positive squares in only one way, i.e., 214651801 + 40691641 = 14651^2 + 6379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255343399 and 255343408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63835859 + ... + 63835862.

Almost surely, 2^255343442 is an apocalyptic number.

255343442 is a deficient number, since it is larger than the sum of its proper divisors (127671724).

255343442 is a wasteful number, since it uses less digits than its factorization.

255343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127671723.

The product of its digits is 57600, while the sum is 32.

The square root of 255343442 is about 15979.4693904397. The cubic root of 255343442 is about 634.4171327044.

Adding to 255343442 its reverse (244343552), we get a palindrome (499686994).

The spelling of 255343442 in words is "two hundred fifty-five million, three hundred forty-three thousand, four hundred forty-two".