245526978 has 32 divisors (see below), whose sum is σ = 513386496. Its totient is φ = 78133968.

The previous prime is 245526973. The next prime is 245526979. The reversal of 245526978 is 879625542.

It is not an unprimeable number, because it can be changed into a prime (245526973) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 87351 + ... + 90117.

It is an arithmetic number, because the mean of its divisors is an integer number (16043328).

Almost surely, 2^245526978 is an apocalyptic number.

245526978 is an abundant number, since it is smaller than the sum of its proper divisors (267859518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245526978 is a wasteful number, since it uses less digits than its factorization.

245526978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438.

The product of its digits is 1209600, while the sum is 48.

The square root of 245526978 is about 15669.3004949168. The cubic root of 245526978 is about 626.1807890015.

The spelling of 245526978 in words is "two hundred forty-five million, five hundred twenty-six thousand, nine hundred seventy-eight".