206452245 has 16 divisors (see below), whose sum is σ = 338006592. Its totient is φ = 107546880.

The previous prime is 206452237. The next prime is 206452277. The reversal of 206452245 is 542254602.

It is a happy number.

It is not a de Polignac number, because 206452245 - 2³ = 206452237 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 159396 + ... + 160685.

It is an arithmetic number, because the mean of its divisors is an integer number (21125412).

Almost surely, 2^206452245 is an apocalyptic number.

It is an amenable number.

206452245 is a deficient number, since it is larger than the sum of its proper divisors (131554347).

206452245 is a wasteful number, since it uses less digits than its factorization.

206452245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320132.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 206452245 is about 14368.4461581620. The cubic root of 206452245 is about 591.0259321365.

The spelling of 206452245 in words is "two hundred six million, four hundred fifty-two thousand, two hundred forty-five".