214120445 has 24 divisors (see below), whose sum is σ = 326071008. Its totient is φ = 133476000.

The previous prime is 214120421. The next prime is 214120447. The reversal of 214120445 is 544021412.

It is not a de Polignac number, because 214120445 - 2⁸ = 214120189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214120445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214120447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37031 + ... + 42420.

It is an arithmetic number, because the mean of its divisors is an integer number (13586292).

Almost surely, 2^214120445 is an apocalyptic number.

It is an amenable number.

214120445 is a deficient number, since it is larger than the sum of its proper divisors (111950563).

214120445 is a wasteful number, since it uses less digits than its factorization.

214120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79481 (or 79474 counting only the distinct ones).

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

The square root of 214120445 is about 14632.8549845886. The cubic root of 214120445 is about 598.2545988443.

Adding to 214120445 its reverse (544021412), we get a palindrome (758141857).

The spelling of 214120445 in words is "two hundred fourteen million, one hundred twenty thousand, four hundred forty-five".