45443212000 has 192 divisors, whose sum is σ = 118348776000. Its totient is φ = 17100748800.

The previous prime is 45443211971. The next prime is 45443212007. The reversal of 45443212000 is 21234454.

It is a happy number.

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 (45443212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11321994 + ... + 11326006.

It is an arithmetic number, because the mean of its divisors is an integer number (616399875).

Almost surely, 2^45443212000 is an apocalyptic number.

45443212000 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 45443212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59174388000).

45443212000 is an abundant number, since it is smaller than the sum of its proper divisors (72905564000).

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

45443212000 is a wasteful number, since it uses less digits than its factorization.

45443212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4188 counting only the distinct ones).

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

Adding to 45443212000 its reverse (21234454), we get a palindrome (45464446454).

The spelling of 45443212000 in words is "forty-five billion, four hundred forty-three million, two hundred twelve thousand".