45552100000 has 144 divisors (see below), whose sum is σ = 122286985632. Its totient is φ = 16564000000.

The previous prime is 45552099973. The next prime is 45552100037. The reversal of 45552100000 is 125554.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 1079295 + ... + 1120705.

It is an arithmetic number, because the mean of its divisors is an integer number (849215178).

Almost surely, 2^45552100000 is an apocalyptic number.

45552100000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45552100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61143492816).

45552100000 is an abundant number, since it is smaller than the sum of its proper divisors (76734885632).

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

45552100000 is an equidigital number, since it uses as much as digits as its factorization.

45552100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41457 (or 41429 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

Adding to 45552100000 its reverse (125554), we get a palindrome (45552225554).

The spelling of 45552100000 in words is "forty-five billion, five hundred fifty-two million, one hundred thousand".