214211445 has 16 divisors (see below), whose sum is σ = 391701120. Its totient is φ = 97925184.

The previous prime is 214211411. The next prime is 214211461. The reversal of 214211445 is 544112412.

It is not a de Polignac number, because 214211445 - 2⁶ = 214211381 is a prime.

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, 1019950 + ... + 1020159.

It is an arithmetic number, because the mean of its divisors is an integer number (24481320).

Almost surely, 2^214211445 is an apocalyptic number.

It is an amenable number.

214211445 is a deficient number, since it is larger than the sum of its proper divisors (177489675).

214211445 is a wasteful number, since it uses less digits than its factorization.

214211445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040124.

The product of its digits is 1280, while the sum is 24.

The square root of 214211445 is about 14635.9640953372. The cubic root of 214211445 is about 598.3393384682.

Adding to 214211445 its reverse (544112412), we get a palindrome (758323857).

The spelling of 214211445 in words is "two hundred fourteen million, two hundred eleven thousand, four hundred forty-five".