444213045 has 32 divisors (see below), whose sum is σ = 791078400. Its totient is φ = 236503872.

The previous prime is 444213037. The next prime is 444213061. The reversal of 444213045 is 540312444.

It is a happy number.

444213045 is a `hidden beast` number, since 444 + 213 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 444213045 - 2³ = 444213037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85636 + ... + 90674.

It is an arithmetic number, because the mean of its divisors is an integer number (24721200).

Almost surely, 2^444213045 is an apocalyptic number.

444213045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444213045 is a deficient number, since it is larger than the sum of its proper divisors (346865355).

444213045 is a wasteful number, since it uses less digits than its factorization.

444213045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706 (or 5700 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 444213045 is about 21076.3622335544. The cubic root of 444213045 is about 763.0103622569.

Adding to 444213045 its reverse (540312444), we get a palindrome (984525489).

The spelling of 444213045 in words is "four hundred forty-four million, two hundred thirteen thousand, forty-five".