1145134344 has 32 divisors (see below), whose sum is σ = 2872059840. Its totient is φ = 380481600.

The previous prime is 1145134337. The next prime is 1145134357. The reversal of 1145134344 is 4434315411.

It is a super-2 number, since 2×1145134344² = 2622665331616620672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69247 + ... + 84174.

It is an arithmetic number, because the mean of its divisors is an integer number (89751870).

Almost surely, 2^1145134344 is an apocalyptic number.

It is an amenable number.

1145134344 is an abundant number, since it is smaller than the sum of its proper divisors (1726925496).

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

1145134344 is a wasteful number, since it uses less digits than its factorization.

1145134344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153741 (or 153737 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1145134344 is about 33839.8336875346. The cubic root of 1145134344 is about 1046.2098710359.

Adding to 1145134344 its reverse (4434315411), we get a palindrome (5579449755).

The spelling of 1145134344 in words is "one billion, one hundred forty-five million, one hundred thirty-four thousand, three hundred forty-four".