245043105 has 16 divisors (see below), whose sum is σ = 392334720. Its totient is φ = 130601088.

The previous prime is 245043091. The next prime is 245043121. The reversal of 245043105 is 501340542.

It is not a de Polignac number, because 245043105 - 2⁷ = 245042977 is a prime.

It is a super-2 number, since 2×245043105² = 120092246616082050, which contains 22 as substring.

It is a Curzon 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, 21636 + ... + 30954.

It is an arithmetic number, because the mean of its divisors is an integer number (24520920).

Almost surely, 2^245043105 is an apocalyptic number.

It is an amenable number.

245043105 is a deficient number, since it is larger than the sum of its proper divisors (147291615).

245043105 is a wasteful number, since it uses less digits than its factorization.

245043105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 245043105 is about 15653.8527206563. The cubic root of 245043105 is about 625.7691692841.

Adding to 245043105 its reverse (501340542), we get a palindrome (746383647).

The spelling of 245043105 in words is "two hundred forty-five million, forty-three thousand, one hundred five".