1145022450 has 96 divisors (see below), whose sum is σ = 3336161472. Its totient is φ = 256224000.

The previous prime is 1145022449. The next prime is 1145022481. The reversal of 1145022450 is 542205411.

It is a super-2 number, since 2×1145022450² = 2622152822008005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145022450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5241 + ... + 48140.

It is an arithmetic number, because the mean of its divisors is an integer number (34751682).

Almost surely, 2^1145022450 is an apocalyptic number.

1145022450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145022450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668080736).

1145022450 is an abundant number, since it is smaller than the sum of its proper divisors (2191139022).

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

1145022450 is a wasteful number, since it uses less digits than its factorization.

1145022450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53420 (or 53415 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1145022450 is about 33838.1803588786. The cubic root of 1145022450 is about 1046.1757939802.

Adding to 1145022450 its reverse (542205411), we get a palindrome (1687227861).

The spelling of 1145022450 in words is "one billion, one hundred forty-five million, twenty-two thousand, four hundred fifty".