213445102 has 16 divisors (see below), whose sum is σ = 345209760. Its totient is φ = 98394912.

The previous prime is 213445097. The next prime is 213445103. The reversal of 213445102 is 201544312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213445103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19428 + ... + 28360.

It is an arithmetic number, because the mean of its divisors is an integer number (21575610).

Almost surely, 2^213445102 is an apocalyptic number.

213445102 is a deficient number, since it is larger than the sum of its proper divisors (131764658).

213445102 is a wasteful number, since it uses less digits than its factorization.

213445102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 213445102 is about 14609.7605045394. The cubic root of 213445102 is about 597.6249647880.

Adding to 213445102 its reverse (201544312), we get a palindrome (414989414).

The spelling of 213445102 in words is "two hundred thirteen million, four hundred forty-five thousand, one hundred two".