45152221120000 has 100 divisors (see below), whose sum is σ = 112734232182396. Its totient is φ = 18060888320000.

The previous prime is 45152221119991. The next prime is 45152221120007. The reversal of 45152221120000 is 2112225154.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45152221120007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70230346 + ... + 70870345.

Almost surely, 2^{45152221120000} is an apocalyptic number.

45152221120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45152221120000 is an abundant number, since it is smaller than the sum of its proper divisors (67582011062396).

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

45152221120000 is an frugal number, since it uses more digits than its factorization.

45152221120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141100729 (or 141100698 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 45152221120000 its reverse (2112225154), we get a palindrome (45154333345154).

The spelling of 45152221120000 in words is "forty-five trillion, one hundred fifty-two billion, two hundred twenty-one million, one hundred twenty thousand".