45443021200 has 30 divisors (see below), whose sum is σ = 109176859394. Its totient is φ = 18177208320.

The previous prime is 45443021171. The next prime is 45443021201. The reversal of 45443021200 is 212034454.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5103102096 + 40339919104 = 71436^2 + 200848^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (45443021201) 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 5 ways as a sum of consecutive naturals, for example, 56803377 + ... + 56804176.

Almost surely, 2^45443021200 is an apocalyptic number.

45443021200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45443021200 is an abundant number, since it is smaller than the sum of its proper divisors (63733838194).

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

45443021200 is a wasteful number, since it uses less digits than its factorization.

45443021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113607571 (or 113607560 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 45443021200 its reverse (212034454), we get a palindrome (45655055654).

The spelling of 45443021200 in words is "forty-five billion, four hundred forty-three million, twenty-one thousand, two hundred".