210224145 has 8 divisors (see below), whose sum is σ = 336358656. Its totient is φ = 112119536.

The previous prime is 210224111. The next prime is 210224167. The reversal of 210224145 is 541422012.

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

It is a cyclic number.

It is not a de Polignac number, because 210224145 - 2⁸ = 210223889 is a prime.

It is a super-2 number, since 2×210224145² = 88388382281962050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7007457 + ... + 7007486.

It is an arithmetic number, because the mean of its divisors is an integer number (42044832).

Almost surely, 2^210224145 is an apocalyptic number.

It is an amenable number.

210224145 is a deficient number, since it is larger than the sum of its proper divisors (126134511).

210224145 is a wasteful number, since it uses less digits than its factorization.

210224145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014951.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 210224145 is about 14499.1084208651. The cubic root of 210224145 is about 594.6035963324.

Adding to 210224145 its reverse (541422012), we get a palindrome (751646157).

The spelling of 210224145 in words is "two hundred ten million, two hundred twenty-four thousand, one hundred forty-five".