213444150 has 24 divisors (see below), whose sum is σ = 529341864. Its totient is φ = 56918400.

The previous prime is 213444149. The next prime is 213444191. The reversal of 213444150 is 51444312.

It is a self number, because there is not a number n which added to its sum of digits gives 213444150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711331 + ... + 711630.

It is an arithmetic number, because the mean of its divisors is an integer number (22055911).

Almost surely, 2^213444150 is an apocalyptic number.

213444150 is an abundant number, since it is smaller than the sum of its proper divisors (315897714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213444150 is a wasteful number, since it uses less digits than its factorization.

213444150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422976 (or 1422971 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 213444150 is about 14609.7279235446. The cubic root of 213444150 is about 597.6240762850.

Adding to 213444150 its reverse (51444312), we get a palindrome (264888462).

The spelling of 213444150 in words is "two hundred thirteen million, four hundred forty-four thousand, one hundred fifty".