1145541344 has 24 divisors (see below), whose sum is σ = 2288949768. Its totient is φ = 564220800.

The previous prime is 1145541337. The next prime is 1145541361. The reversal of 1145541344 is 4431455411.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1145541344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265007 + ... + 269294.

It is an arithmetic number, because the mean of its divisors is an integer number (95372907).

Almost surely, 2^1145541344 is an apocalyptic number.

It is an amenable number.

1145541344 is a deficient number, since it is larger than the sum of its proper divisors (1143408424).

1145541344 is an equidigital number, since it uses as much as digits as its factorization.

1145541344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534378 (or 534370 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 1145541344 is about 33845.8467762294. The cubic root of 1145541344 is about 1046.3338032142. Note that the first 3 decimals are identical.

Adding to 1145541344 its reverse (4431455411), we get a palindrome (5576996755).

The spelling of 1145541344 in words is "one billion, one hundred forty-five million, five hundred forty-one thousand, three hundred forty-four".