245042678 has 16 divisors (see below), whose sum is σ = 376761024. Its totient is φ = 119474880.

The previous prime is 245042671. The next prime is 245042689. The reversal of 245042678 is 876240542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245042671) 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 7 ways as a sum of consecutive naturals, for example, 21776 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (23547564).

Almost surely, 2^245042678 is an apocalyptic number.

245042678 is a deficient number, since it is larger than the sum of its proper divisors (131718346).

245042678 is a wasteful number, since it uses less digits than its factorization.

245042678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 245042678 is about 15653.8390818355. The cubic root of 245042678 is about 625.7688058058.

The spelling of 245042678 in words is "two hundred forty-five million, forty-two thousand, six hundred seventy-eight".