202245048909 has 32 divisors (see below), whose sum is σ = 306206423040. Its totient is φ = 131871098736.

The previous prime is 202245048853. The next prime is 202245048953. The reversal of 202245048909 is 909840542202.

It is not a de Polignac number, because 202245048909 - 2¹⁷ = 202244917837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202245048989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828194 + ... + 1935660.

It is an arithmetic number, because the mean of its divisors is an integer number (9568950720).

Almost surely, 2^202245048909 is an apocalyptic number.

It is an amenable number.

202245048909 is a deficient number, since it is larger than the sum of its proper divisors (103961374131).

202245048909 is a wasteful number, since it uses less digits than its factorization.

202245048909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109006 (or 109000 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 202245048909 in words is "two hundred two billion, two hundred forty-five million, forty-eight thousand, nine hundred nine".