245252105 has 48 divisors (see below), whose sum is σ = 362859264. Its totient is φ = 158336640.

The previous prime is 245252069. The next prime is 245252123. The reversal of 245252105 is 501252542.

It is not a de Polignac number, because 245252105 - 2¹⁶ = 245186569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399779 + ... + 400391.

It is an arithmetic number, because the mean of its divisors is an integer number (7559568).

Almost surely, 2^245252105 is an apocalyptic number.

It is an amenable number.

245252105 is a deficient number, since it is larger than the sum of its proper divisors (117607159).

245252105 is a wasteful number, since it uses less digits than its factorization.

245252105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 245252105 is about 15660.5269706993. The cubic root of 245252105 is about 625.9470272316.

The spelling of 245252105 in words is "two hundred forty-five million, two hundred fifty-two thousand, one hundred five".