45543212001 has 24 divisors (see below), whose sum is σ = 77607688704. Its totient is φ = 25185185280.

The previous prime is 45543211993. The next prime is 45543212003. The reversal of 45543212001 is 10021234554.

45543212001 is a `hidden beast` number, since 455 + 4 + 3 + 2 + 1 + 200 + 1 = 666.

It is not a de Polignac number, because 45543212001 - 2³ = 45543211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45543212003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11657856 + ... + 11661761.

It is an arithmetic number, because the mean of its divisors is an integer number (3233653696).

Almost surely, 2^45543212001 is an apocalyptic number.

It is an amenable number.

45543212001 is a deficient number, since it is larger than the sum of its proper divisors (32064476703).

45543212001 is a wasteful number, since it uses less digits than its factorization.

45543212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23319661 (or 23319658 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 45543212001 its reverse (10021234554), we get a palindrome (55564446555).

It can be divided in two parts, 455 and 43212001, that added together give a triangular number (43212456 = T₉₂₉₆).

The spelling of 45543212001 in words is "forty-five billion, five hundred forty-three million, two hundred twelve thousand, one".