1154204044 has 24 divisors (see below), whose sum is σ = 2309519520. Its totient is φ = 494420736.

The previous prime is 1154204041. The next prime is 1154204047. The reversal of 1154204044 is 4404024511.

It is an interprime number because it is at equal distance from previous prime (1154204041) and next prime (1154204047).

It is not an unprimeable number, because it can be changed into a prime (1154204041) 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, 57252 + ... + 74740.

It is an arithmetic number, because the mean of its divisors is an integer number (96229980).

Almost surely, 2^1154204044 is an apocalyptic number.

1154204044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1154204044 is an abundant number, since it is smaller than the sum of its proper divisors (1155315476).

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

1154204044 is a wasteful number, since it uses less digits than its factorization.

1154204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19857 (or 19855 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1154204044 is about 33973.5786163307. The cubic root of 1154204044 is about 1048.9646768385.

Adding to 1154204044 its reverse (4404024511), we get a palindrome (5558228555).

It can be divided in two parts, 115 and 4204044, that multiplied together give a triangular number (483465060 = T₃₁₀₉₅).

The spelling of 1154204044 in words is "one billion, one hundred fifty-four million, two hundred four thousand, forty-four".