211145350 has 24 divisors (see below), whose sum is σ = 422941680. Its totient is φ = 77961120.

The previous prime is 211145323. The next prime is 211145353. The reversal of 211145350 is 53541112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211145353) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 161770 + ... + 163069.

It is an arithmetic number, because the mean of its divisors is an integer number (17622570).

Almost surely, 2^211145350 is an apocalyptic number.

211145350 is an abundant number, since it is smaller than the sum of its proper divisors (211796330).

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

211145350 is a wasteful number, since it uses less digits than its factorization.

211145350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324864 (or 324859 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 211145350 is about 14530.8413383396. The cubic root of 211145350 is about 595.4708510791.

Adding to 211145350 its reverse (53541112), we get a palindrome (264686462).

The spelling of 211145350 in words is "two hundred eleven million, one hundred forty-five thousand, three hundred fifty".