445344012 has 18 divisors (see below), whose sum is σ = 1125730788. Its totient is φ = 148447992.

The previous prime is 445344007. The next prime is 445344017. The reversal of 445344012 is 210443544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (445344007) and next prime (445344017).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×445344012² = 396662578048512288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445344017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6185298 + ... + 6185369.

Almost surely, 2^445344012 is an apocalyptic number.

It is an amenable number.

445344012 is an abundant number, since it is smaller than the sum of its proper divisors (680386776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445344012 is a wasteful number, since it uses less digits than its factorization.

445344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12370677 (or 12370672 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 445344012 is about 21103.1754008727. The cubic root of 445344012 is about 763.6573552826.

Adding to 445344012 its reverse (210443544), we get a palindrome (655787556).

The spelling of 445344012 in words is "four hundred forty-five million, three hundred forty-four thousand, twelve".