445333442 has 16 divisors (see below), whose sum is σ = 684137664. Its totient is φ = 217350000.

The previous prime is 445333393. The next prime is 445333451. The reversal of 445333442 is 244333544.

It is a junction number, because it is equal to n+sod(n) for n = 445333399 and 445333408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184 + ... + 29867.

It is an arithmetic number, because the mean of its divisors is an integer number (42758604).

Almost surely, 2^445333442 is an apocalyptic number.

445333442 is a deficient number, since it is larger than the sum of its proper divisors (238804222).

445333442 is a wasteful number, since it uses less digits than its factorization.

445333442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31225.

The product of its digits is 69120, while the sum is 32.

The square root of 445333442 is about 21102.9249631420. The cubic root of 445333442 is about 763.6513135696.

Adding to 445333442 its reverse (244333544), we get a palindrome (689666986).

The spelling of 445333442 in words is "four hundred forty-five million, three hundred thirty-three thousand, four hundred forty-two".