245669049 has 12 divisors (see below), whose sum is σ = 370284096. Its totient is φ = 156658392.

The previous prime is 245669029. The next prime is 245669117. The reversal of 245669049 is 940966542.

It is not a de Polignac number, because 245669049 - 2⁸ = 245668793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245668995 and 245669013.

It is not an unprimeable number, because it can be changed into a prime (245669009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593197 + ... + 593610.

It is an arithmetic number, because the mean of its divisors is an integer number (30857008).

Almost surely, 2^245669049 is an apocalyptic number.

It is an amenable number.

245669049 is a deficient number, since it is larger than the sum of its proper divisors (124615047).

245669049 is a wasteful number, since it uses less digits than its factorization.

245669049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186836 (or 1186833 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 245669049 is about 15673.8332580132. The cubic root of 245669049 is about 626.3015428432.

The spelling of 245669049 in words is "two hundred forty-five million, six hundred sixty-nine thousand, forty-nine".