443144007 has 16 divisors (see below), whose sum is σ = 662887680. Its totient is φ = 292559256.

The previous prime is 443144003. The next prime is 443144063. The reversal of 443144007 is 700441344.

It is not a de Polignac number, because 443144007 - 2² = 443144003 is a prime.

It is a super-2 number, since 2×443144007² = 392753221880032098, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443144003) 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 15 ways as a sum of consecutive naturals, for example, 76893 + ... + 82454.

It is an arithmetic number, because the mean of its divisors is an integer number (41430480).

Almost surely, 2^443144007 is an apocalyptic number.

443144007 is a deficient number, since it is larger than the sum of its proper divisors (219743673).

443144007 is a wasteful number, since it uses less digits than its factorization.

443144007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159459 (or 159453 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 443144007 is about 21050.9858914019. The cubic root of 443144007 is about 762.3977866034.

The spelling of 443144007 in words is "four hundred forty-three million, one hundred forty-four thousand, seven".