444457045 has 8 divisors (see below), whose sum is σ = 551739960. Its totient is φ = 343304640.

The previous prime is 444457033. The next prime is 444457049. The reversal of 444457045 is 540754444.

It can be written as a sum of positive squares in 4 ways, for example, as 53129521 + 391327524 = 7289^2 + 19782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444457045 - 2⁹ = 444456533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444456995 and 444457013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444457049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532466 + ... + 1532755.

It is an arithmetic number, because the mean of its divisors is an integer number (68967495).

Almost surely, 2^444457045 is an apocalyptic number.

It is an amenable number.

444457045 is a deficient number, since it is larger than the sum of its proper divisors (107282915).

444457045 is a wasteful number, since it uses less digits than its factorization.

444457045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065255.

The product of its (nonzero) digits is 179200, while the sum is 37.

The square root of 444457045 is about 21082.1499140861. The cubic root of 444457045 is about 763.1500403184.

The spelling of 444457045 in words is "four hundred forty-four million, four hundred fifty-seven thousand, forty-five".