245548878 has 16 divisors (see below), whose sum is σ = 495604560. Its totient is φ = 81098496.

The previous prime is 245548817. The next prime is 245548879. The reversal of 245548878 is 878845542.

It is a self number, because there is not a number n which added to its sum of digits gives 245548878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245548879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187075 + ... + 188382.

It is an arithmetic number, because the mean of its divisors is an integer number (30975285).

Almost surely, 2^245548878 is an apocalyptic number.

245548878 is an abundant number, since it is smaller than the sum of its proper divisors (250055682).

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

245548878 is a wasteful number, since it uses less digits than its factorization.

245548878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375571.

The product of its digits is 2867200, while the sum is 51.

The square root of 245548878 is about 15669.9992980217. Note that the first 3 decimals coincide. The cubic root of 245548878 is about 626.1994060346.

The spelling of 245548878 in words is "two hundred forty-five million, five hundred forty-eight thousand, eight hundred seventy-eight".