45172203650000 has 480 divisors, whose sum is σ = 133865397066240. Its totient is φ = 14412625920000.

The previous prime is 45172203649999. The next prime is 45172203650009. The reversal of 45172203650000 is 5630227154.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45172203650009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 529507349 + ... + 529592651.

It is an arithmetic number, because the mean of its divisors is an integer number (278886243888).

Almost surely, 2^{45172203650000} is an apocalyptic number.

45172203650000 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 45172203650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66932698533120).

45172203650000 is an abundant number, since it is smaller than the sum of its proper divisors (88693193416240).

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

45172203650000 is an equidigital number, since it uses as much as digits as its factorization.

45172203650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85449 (or 85423 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 45172203650000 its reverse (5630227154), we get a palindrome (45177833877154).

The spelling of 45172203650000 in words is "forty-five trillion, one hundred seventy-two billion, two hundred three million, six hundred fifty thousand".