446145332312 has 32 divisors (see below), whose sum is σ = 878120006400. Its totient is φ = 212096152224.

The previous prime is 446145332299. The next prime is 446145332323. The reversal of 446145332312 is 213233541644.

It is a super-2 number, since 2×446145332312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7228862 + ... + 7290317.

It is an arithmetic number, because the mean of its divisors is an integer number (27441250200).

Almost surely, 2^446145332312 is an apocalyptic number.

It is an amenable number.

446145332312 is a deficient number, since it is larger than the sum of its proper divisors (431974674088).

446145332312 is a wasteful number, since it uses less digits than its factorization.

446145332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519375 (or 14519371 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

Adding to 446145332312 its reverse (213233541644), we get a palindrome (659378873956).

The spelling of 446145332312 in words is "four hundred forty-six billion, one hundred forty-five million, three hundred thirty-two thousand, three hundred twelve".