1145112450 has 24 divisors (see below), whose sum is σ = 2839879248. Its totient is φ = 305363280.

The previous prime is 1145112407. The next prime is 1145112461. The reversal of 1145112450 is 542115411.

It is a super-2 number, since 2×1145112450² = 2622565046290005000, 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 1145112450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3816892 + ... + 3817191.

It is an arithmetic number, because the mean of its divisors is an integer number (118328302).

Almost surely, 2^1145112450 is an apocalyptic number.

1145112450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145112450 is an abundant number, since it is smaller than the sum of its proper divisors (1694766798).

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

1145112450 is a wasteful number, since it uses less digits than its factorization.

1145112450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634098 (or 7634093 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1145112450 is about 33839.5101914907. The cubic root of 1145112450 is about 1046.2032034441.

Adding to 1145112450 its reverse (542115411), we get a palindrome (1687227861).

The spelling of 1145112450 in words is "one billion, one hundred forty-five million, one hundred twelve thousand, four hundred fifty".