1145440452200 has 96 divisors (see below), whose sum is σ = 2906293404960. Its totient is φ = 416374713600.

The previous prime is 1145440452179. The next prime is 1145440452293. The reversal of 1145440452200 is 22540445411.

It is a super-2 number, since 2×1145440452200² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6149639 + ... + 6333161.

It is an arithmetic number, because the mean of its divisors is an integer number (30273889635).

Almost surely, 2^{1145440452200} is an apocalyptic number.

1145440452200 is a gapful number since it is divisible by the number (10) 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 1145440452200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453146702480).

1145440452200 is an abundant number, since it is smaller than the sum of its proper divisors (1760852952760).

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

1145440452200 is a wasteful number, since it uses less digits than its factorization.

1145440452200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186387 (or 186378 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1145440452200 its reverse (22540445411), we get a palindrome (1167980897611).

The spelling of 1145440452200 in words is "one trillion, one hundred forty-five billion, four hundred forty million, four hundred fifty-two thousand, two hundred".