245930289 has 8 divisors (see below), whose sum is σ = 357716832. Its totient is φ = 149048640.

The previous prime is 245930257. The next prime is 245930309. The reversal of 245930289 is 982039542.

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

It is not a de Polignac number, because 245930289 - 2⁵ = 245930257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245930289.

It is not an unprimeable number, because it can be changed into a prime (245930219) 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 7 ways as a sum of consecutive naturals, for example, 3726184 + ... + 3726249.

It is an arithmetic number, because the mean of its divisors is an integer number (44714604).

Almost surely, 2^245930289 is an apocalyptic number.

It is an amenable number.

245930289 is a deficient number, since it is larger than the sum of its proper divisors (111786543).

245930289 is a wasteful number, since it uses less digits than its factorization.

245930289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452447.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 245930289 is about 15682.1646783854. The cubic root of 245930289 is about 626.5234634241.

The spelling of 245930289 in words is "two hundred forty-five million, nine hundred thirty thousand, two hundred eighty-nine".