1154115044 has 24 divisors (see below), whose sum is σ = 2033511480. Its totient is φ = 573122816.

The previous prime is 1154115041. The next prime is 1154115049. The reversal of 1154115044 is 4405114511.

It can be written as a sum of positive squares in 4 ways, for example, as 595360000 + 558755044 = 24400^2 + 23638^2 .

It is not an unprimeable number, because it can be changed into a prime (1154115041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674462 + ... + 676170.

It is an arithmetic number, because the mean of its divisors is an integer number (84729645).

Almost surely, 2^1154115044 is an apocalyptic number.

It is an amenable number.

1154115044 is a deficient number, since it is larger than the sum of its proper divisors (879396436).

1154115044 is a wasteful number, since it uses less digits than its factorization.

1154115044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2765 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1154115044 is about 33972.2687496729. The cubic root of 1154115044 is about 1048.9377144609.

Adding to 1154115044 its reverse (4405114511), we get a palindrome (5559229555).

The spelling of 1154115044 in words is "one billion, one hundred fifty-four million, one hundred fifteen thousand, forty-four".