45643012 has 6 divisors (see below), whose sum is σ = 79875278. Its totient is φ = 22821504.

The previous prime is 45643001. The next prime is 45643019. The reversal of 45643012 is 21034654.

It can be written as a sum of positive squares in only one way, i.e., 26071236 + 19571776 = 5106^2 + 4424^2 .

It is a super-3 number, since 3×45643012³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45643019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705373 + ... + 5705380.

Almost surely, 2^45643012 is an apocalyptic number.

It is an amenable number.

45643012 is a deficient number, since it is larger than the sum of its proper divisors (34232266).

45643012 is a wasteful number, since it uses less digits than its factorization.

45643012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11410757 (or 11410755 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 45643012 is about 6755.9612195453. The cubic root of 45643012 is about 357.3754912235.

Adding to 45643012 its reverse (21034654), we get a palindrome (66677666).

The spelling of 45643012 in words is "forty-five million, six hundred forty-three thousand, twelve".