245316399 has 8 divisors (see below), whose sum is σ = 327179952. Its totient is φ = 163498560.

The previous prime is 245316373. The next prime is 245316451. The reversal of 245316399 is 993613542.

It is a happy number.

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

It is not a de Polignac number, because 245316399 - 2⁹ = 245315887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245316399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245316499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4117 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (40897494).

Almost surely, 2^245316399 is an apocalyptic number.

245316399 is a deficient number, since it is larger than the sum of its proper divisors (81863553).

245316399 is a wasteful number, since it uses less digits than its factorization.

245316399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857.

The product of its digits is 174960, while the sum is 42.

The square root of 245316399 is about 15662.5795768130. The cubic root of 245316399 is about 626.0017207777.

The spelling of 245316399 in words is "two hundred forty-five million, three hundred sixteen thousand, three hundred ninety-nine".