245244515 has 16 divisors (see below), whose sum is σ = 312890688. Its totient is φ = 184119936.

The previous prime is 245244487. The next prime is 245244539. The reversal of 245244515 is 515442542.

245244515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245244515 - 2¹⁶ = 245178979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14024 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (19555668).

Almost surely, 2^245244515 is an apocalyptic number.

245244515 is a deficient number, since it is larger than the sum of its proper divisors (67646173).

245244515 is a wasteful number, since it uses less digits than its factorization.

245244515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40318.

The product of its digits is 32000, while the sum is 32.

The square root of 245244515 is about 15660.2846398142. The cubic root of 245244515 is about 625.9405699484.

The spelling of 245244515 in words is "two hundred forty-five million, two hundred forty-four thousand, five hundred fifteen".