445072214 has 4 divisors (see below), whose sum is σ = 667608324. Its totient is φ = 222536106.

The previous prime is 445072213. The next prime is 445072219. The reversal of 445072214 is 412270544.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445072213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111268052 + ... + 111268055.

It is an arithmetic number, because the mean of its divisors is an integer number (166902081).

Almost surely, 2^445072214 is an apocalyptic number.

445072214 is a deficient number, since it is larger than the sum of its proper divisors (222536110).

445072214 is a wasteful number, since it uses less digits than its factorization.

445072214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222536109.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 445072214 is about 21096.7346762479. The cubic root of 445072214 is about 763.5019677050.

The spelling of 445072214 in words is "four hundred forty-five million, seventy-two thousand, two hundred fourteen".