445340144 has 20 divisors (see below), whose sum is σ = 865111296. Its totient is φ = 222085632.

The previous prime is 445340117. The next prime is 445340149. The reversal of 445340144 is 441043544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445340149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30209 + ... + 42464.

Almost surely, 2^445340144 is an apocalyptic number.

It is an amenable number.

445340144 is a deficient number, since it is larger than the sum of its proper divisors (419771152).

445340144 is a wasteful number, since it uses less digits than its factorization.

445340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73064 (or 73058 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 445340144 is about 21103.0837556979. The cubic root of 445340144 is about 763.6551443811.

Adding to 445340144 its reverse (441043544), we get a palindrome (886383688).

The spelling of 445340144 in words is "four hundred forty-five million, three hundred forty thousand, one hundred forty-four".