245928849 has 16 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 162439760.

The previous prime is 245928847. The next prime is 245928871. The reversal of 245928849 is 948829542.

It is a cyclic number.

It is not a de Polignac number, because 245928849 - 2¹ = 245928847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245928841) 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 15 ways as a sum of consecutive naturals, for example, 162004 + ... + 163514.

It is an arithmetic number, because the mean of its divisors is an integer number (20684160).

Almost surely, 2^245928849 is an apocalyptic number.

It is an amenable number.

245928849 is a deficient number, since it is larger than the sum of its proper divisors (85017711).

245928849 is a wasteful number, since it uses less digits than its factorization.

245928849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 1658880, while the sum is 51.

The square root of 245928849 is about 15682.1187662892. The cubic root of 245928849 is about 626.5222405904.

The spelling of 245928849 in words is "two hundred forty-five million, nine hundred twenty-eight thousand, eight hundred forty-nine".