45045104221200 has 120 divisors (see below), whose sum is σ = 144687658250368. Its totient is φ = 11979297354240.

The previous prime is 45045104221181. The next prime is 45045104221211. The reversal of 45045104221200 is 212240154054.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×45045104221200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50700727 + ... + 51581526.

Almost surely, 2^{45045104221200} is an apocalyptic number.

45045104221200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45045104221200 is an abundant number, since it is smaller than the sum of its proper divisors (99642554029168).

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

45045104221200 is a wasteful number, since it uses less digits than its factorization.

45045104221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102282641 (or 102282630 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 45045104221200 its reverse (212240154054), we get a palindrome (45257344375254).

The spelling of 45045104221200 in words is "forty-five trillion, forty-five billion, one hundred four million, two hundred twenty-one thousand, two hundred".