1154423044 has 12 divisors (see below), whose sum is σ = 2020480924. Its totient is φ = 577142784.

The previous prime is 1154422999. The next prime is 1154423057. The reversal of 1154423044 is 4403244511.

It can be written as a sum of positive squares in 2 ways, for example, as 287709444 + 866713600 = 16962^2 + 29440^2 .

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, 48484 + ... + 68260.

Almost surely, 2^1154423044 is an apocalyptic number.

It is an amenable number.

1154423044 is a deficient number, since it is larger than the sum of its proper divisors (866057880).

1154423044 is a wasteful number, since it uses less digits than its factorization.

1154423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34374 (or 34372 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1154423044 is about 33976.8015563561. The cubic root of 1154423044 is about 1049.0310165635.

Adding to 1154423044 its reverse (4403244511), we get a palindrome (5557667555).

The spelling of 1154423044 in words is "one billion, one hundred fifty-four million, four hundred twenty-three thousand, forty-four".