1145134442 has 8 divisors (see below), whose sum is σ = 1792384416. Its totient is φ = 547672972.

The previous prime is 1145134411. The next prime is 1145134493. The reversal of 1145134442 is 2444315411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1145134442² = 2622665780509302728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447068 + ... + 12447159.

It is an arithmetic number, because the mean of its divisors is an integer number (224048052).

Almost surely, 2^1145134442 is an apocalyptic number.

1145134442 is a deficient number, since it is larger than the sum of its proper divisors (647249974).

1145134442 is a wasteful number, since it uses less digits than its factorization.

1145134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894252.

The product of its digits is 7680, while the sum is 29.

The square root of 1145134442 is about 33839.8351355322. The cubic root of 1145134442 is about 1046.2099008806.

Adding to 1145134442 its reverse (2444315411), we get a palindrome (3589449853).

The spelling of 1145134442 in words is "one billion, one hundred forty-five million, one hundred thirty-four thousand, four hundred forty-two".