445042322 has 8 divisors (see below), whose sum is σ = 667914636. Its totient is φ = 222404112.

The previous prime is 445042321. The next prime is 445042333. The reversal of 445042322 is 223240544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 362940601 + 82101721 = 19051^2 + 9061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 445042291 and 445042300.

It is not an unprimeable number, because it can be changed into a prime (445042321) 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, 53693 + ... + 61424.

Almost surely, 2^445042322 is an apocalyptic number.

445042322 is a deficient number, since it is larger than the sum of its proper divisors (222872314).

445042322 is a wasteful number, since it uses less digits than its factorization.

445042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117052.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 445042322 is about 21096.0262134839. The cubic root of 445042322 is about 763.4848745150.

Adding to 445042322 its reverse (223240544), we get a palindrome (668282866).

The spelling of 445042322 in words is "four hundred forty-five million, forty-two thousand, three hundred twenty-two".