1145114442 has 16 divisors (see below), whose sum is σ = 2544698880. Its totient is φ = 381704796.

The previous prime is 1145114437. The next prime is 1145114473. The reversal of 1145114442 is 2444115411.

It is a happy number.

It is a super-2 number, since 2×1145114442² = 2622574170553942728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10602858 + ... + 10602965.

It is an arithmetic number, because the mean of its divisors is an integer number (159043680).

Almost surely, 2^1145114442 is an apocalyptic number.

1145114442 is an abundant number, since it is smaller than the sum of its proper divisors (1399584438).

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

1145114442 is a wasteful number, since it uses less digits than its factorization.

1145114442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21205834 (or 21205828 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1145114442 is about 33839.5396245280. The cubic root of 1145114442 is about 1046.2038100907.

Adding to 1145114442 its reverse (2444115411), we get a palindrome (3589229853).

The spelling of 1145114442 in words is "one billion, one hundred forty-five million, one hundred fourteen thousand, four hundred forty-two".