444970845 has 72 divisors (see below), whose sum is σ = 860461056. Its totient is φ = 212520000.

The previous prime is 444970819. The next prime is 444970847. The reversal of 444970845 is 548079444.

444970845 = T₃₉₉₅ + T₃₉₉₆ + ... + T₄₀₄₉.

It is not a de Polignac number, because 444970845 - 2⁶ = 444970781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 444970845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444970847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 386020 + ... + 387170.

It is an arithmetic number, because the mean of its divisors is an integer number (11950848).

Almost surely, 2^444970845 is an apocalyptic number.

444970845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444970845 is a deficient number, since it is larger than the sum of its proper divisors (415490211).

444970845 is a wasteful number, since it uses less digits than its factorization.

444970845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 444970845 is about 21094.3320586360. The cubic root of 444970845 is about 763.4439986046.

The spelling of 444970845 in words is "four hundred forty-four million, nine hundred seventy thousand, eight hundred forty-five".