210145204 has 24 divisors (see below), whose sum is σ = 386527680. Its totient is φ = 99775104.

The previous prime is 210145157. The next prime is 210145207. The reversal of 210145204 is 402541012.

210145204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210145204² = 88322013528403232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210145207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4572 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (16105320).

Almost surely, 2^210145204 is an apocalyptic number.

It is an amenable number.

210145204 is a deficient number, since it is larger than the sum of its proper divisors (176382476).

210145204 is a wasteful number, since it uses less digits than its factorization.

210145204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599 (or 16597 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 210145204 is about 14496.3858944221. The cubic root of 210145204 is about 594.5291607357.

Adding to 210145204 its reverse (402541012), we get a palindrome (612686216).

The spelling of 210145204 in words is "two hundred ten million, one hundred forty-five thousand, two hundred four".