245145115 has 16 divisors (see below), whose sum is σ = 296856000. Its totient is φ = 194337792.

The previous prime is 245145113. The next prime is 245145119. The reversal of 245145115 is 511541542.

It is a cyclic number.

It is not a de Polignac number, because 245145115 - 2¹ = 245145113 is a prime.

It is a super-2 number, since 2×245145115² = 120192254816726450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245145113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430551 + ... + 431119.

It is an arithmetic number, because the mean of its divisors is an integer number (18553500).

Almost surely, 2^245145115 is an apocalyptic number.

245145115 is a deficient number, since it is larger than the sum of its proper divisors (51710885).

245145115 is a wasteful number, since it uses less digits than its factorization.

245145115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its digits is 4000, while the sum is 28.

The square root of 245145115 is about 15657.1106849252. The cubic root of 245145115 is about 625.8559919093.

Adding to 245145115 its reverse (511541542), we get a palindrome (756686657).

The spelling of 245145115 in words is "two hundred forty-five million, one hundred forty-five thousand, one hundred fifteen".