444145532 has 24 divisors (see below), whose sum is σ = 784457856. Its totient is φ = 220025088.

The previous prime is 444145531. The next prime is 444145589. The reversal of 444145532 is 235541444.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444145531) 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, 206768 + ... + 208904.

It is an arithmetic number, because the mean of its divisors is an integer number (32685744).

Almost surely, 2^444145532 is an apocalyptic number.

It is an amenable number.

444145532 is a deficient number, since it is larger than the sum of its proper divisors (340312324).

444145532 is a wasteful number, since it uses less digits than its factorization.

444145532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2595 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 444145532 is about 21074.7605443099. The cubic root of 444145532 is about 762.9717053338.

Adding to 444145532 its reverse (235541444), we get a palindrome (679686976).

The spelling of 444145532 in words is "four hundred forty-four million, one hundred forty-five thousand, five hundred thirty-two".