202266146 has 8 divisors (see below), whose sum is σ = 306527340. Its totient is φ = 100090368.

The previous prime is 202266143. The next prime is 202266151. The reversal of 202266146 is 641662202.

It can be written as a sum of positive squares in 2 ways, for example, as 182115025 + 20151121 = 13495^2 + 4489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202266143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 521111 + ... + 521498.

Almost surely, 2^202266146 is an apocalyptic number.

202266146 is a deficient number, since it is larger than the sum of its proper divisors (104261194).

202266146 is a wasteful number, since it uses less digits than its factorization.

202266146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042708.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 202266146 is about 14222.0303051287. The cubic root of 202266146 is about 587.0040078782.

The spelling of 202266146 in words is "two hundred two million, two hundred sixty-six thousand, one hundred forty-six".