214102445 has 16 divisors (see below), whose sum is σ = 261947520. Its totient is φ = 167947584.

The previous prime is 214102439. The next prime is 214102459. The reversal of 214102445 is 544201412.

It is a cyclic number.

It is not a de Polignac number, because 214102445 - 2¹⁰ = 214101421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214102445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163664 + ... + 164966.

It is an arithmetic number, because the mean of its divisors is an integer number (16371720).

Almost surely, 2^214102445 is an apocalyptic number.

It is an amenable number.

214102445 is a deficient number, since it is larger than the sum of its proper divisors (47845075).

214102445 is a wasteful number, since it uses less digits than its factorization.

214102445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 214102445 is about 14632.2399173879. The cubic root of 214102445 is about 598.2378343164.

Adding to 214102445 its reverse (544201412), we get a palindrome (758303857).

The spelling of 214102445 in words is "two hundred fourteen million, one hundred two thousand, four hundred forty-five".