214072245 has 48 divisors (see below), whose sum is σ = 394900272. Its totient is φ = 106905600.

The previous prime is 214072231. The next prime is 214072253. The reversal of 214072245 is 542270412.

It can be written as a sum of positive squares in 8 ways, for example, as 41254929 + 172817316 = 6423^2 + 13146^2 .

It is not a de Polignac number, because 214072245 - 2¹⁴ = 214055861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177645 + ... + 178845.

It is an arithmetic number, because the mean of its divisors is an integer number (8227089).

Almost surely, 2^214072245 is an apocalyptic number.

It is an amenable number.

214072245 is a deficient number, since it is larger than the sum of its proper divisors (180828027).

214072245 is a wasteful number, since it uses less digits than its factorization.

214072245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 214072245 is about 14631.2079132244. The cubic root of 214072245 is about 598.2097050531.

The spelling of 214072245 in words is "two hundred fourteen million, seventy-two thousand, two hundred forty-five".