245243254 has 8 divisors (see below), whose sum is σ = 372297240. Its totient is φ = 121144176.

The previous prime is 245243239. The next prime is 245243261. The reversal of 245243254 is 452342542.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 738519 + ... + 738850.

It is an arithmetic number, because the mean of its divisors is an integer number (46537155).

Almost surely, 2^245243254 is an apocalyptic number.

245243254 is a deficient number, since it is larger than the sum of its proper divisors (127053986).

245243254 is a wasteful number, since it uses less digits than its factorization.

245243254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477454.

The product of its digits is 38400, while the sum is 31.

The square root of 245243254 is about 15660.2443786807. The cubic root of 245243254 is about 625.9394971246.

Adding to 245243254 its reverse (452342542), we get a palindrome (697585796).

The spelling of 245243254 in words is "two hundred forty-five million, two hundred forty-three thousand, two hundred fifty-four".