1145230044 has 24 divisors (see below), whose sum is σ = 3053947008. Its totient is φ = 327208560.

The previous prime is 1145230019. The next prime is 1145230049. The reversal of 1145230044 is 4400325411.

It is a junction number, because it is equal to n+sod(n) for n = 1145229996 and 1145230023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145230049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6816762 + ... + 6816929.

It is an arithmetic number, because the mean of its divisors is an integer number (127247792).

Almost surely, 2^1145230044 is an apocalyptic number.

1145230044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145230044 is an abundant number, since it is smaller than the sum of its proper divisors (1908716964).

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

1145230044 is a wasteful number, since it uses less digits than its factorization.

1145230044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633705 (or 13633703 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1145230044 is about 33841.2476720348. The cubic root of 1145230044 is about 1046.2390144856.

Adding to 1145230044 its reverse (4400325411), we get a palindrome (5545555455).

The spelling of 1145230044 in words is "one billion, one hundred forty-five million, two hundred thirty thousand, forty-four".