245043278 has 4 divisors (see below), whose sum is σ = 367564920. Its totient is φ = 122521638.

The previous prime is 245043263. The next prime is 245043299. The reversal of 245043278 is 872340542.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61260818 + ... + 61260821.

It is an arithmetic number, because the mean of its divisors is an integer number (91891230).

Almost surely, 2^245043278 is an apocalyptic number.

245043278 is a deficient number, since it is larger than the sum of its proper divisors (122521642).

245043278 is a wasteful number, since it uses less digits than its factorization.

245043278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122521641.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 245043278 is about 15653.8582464516. The cubic root of 245043278 is about 625.7693165481.

The spelling of 245043278 in words is "two hundred forty-five million, forty-three thousand, two hundred seventy-eight".