245364778 has 8 divisors (see below), whose sum is σ = 368114400. Its totient is φ = 122659980.

The previous prime is 245364767. The next prime is 245364793. The reversal of 245364778 is 877463542.

245364778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 12573 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (46014300).

Almost surely, 2^245364778 is an apocalyptic number.

245364778 is a deficient number, since it is larger than the sum of its proper divisors (122749622).

245364778 is a wasteful number, since it uses less digits than its factorization.

245364778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22412.

The product of its digits is 1128960, while the sum is 46.

The square root of 245364778 is about 15664.1239142188. The cubic root of 245364778 is about 626.0428694694.

The spelling of 245364778 in words is "two hundred forty-five million, three hundred sixty-four thousand, seven hundred seventy-eight".