1145204232216 has 256 divisors, whose sum is σ = 3255469056000. Its totient is φ = 332743457280.

The previous prime is 1145204232169. The next prime is 1145204232223. The reversal of 1145204232216 is 6122324025411.

It is a super-2 number, since 2×1145204232216² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102126226 + ... + 102137438.

It is an arithmetic number, because the mean of its divisors is an integer number (12716676000).

Almost surely, 2^{1145204232216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145204232216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627734528000).

1145204232216 is an abundant number, since it is smaller than the sum of its proper divisors (2110264823784).

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

1145204232216 is a wasteful number, since it uses less digits than its factorization.

1145204232216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454 (or 11450 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1145204232216 its reverse (6122324025411), we get a palindrome (7267528257627).

The spelling of 1145204232216 in words is "one trillion, one hundred forty-five billion, two hundred four million, two hundred thirty-two thousand, two hundred sixteen".