1154415144 has 16 divisors (see below), whose sum is σ = 2886037920. Its totient is φ = 384805040.

The previous prime is 1154415137. The next prime is 1154415161. The reversal of 1154415144 is 4415144511.

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, 24050292 + ... + 24050339.

It is an arithmetic number, because the mean of its divisors is an integer number (180377370).

Almost surely, 2^1154415144 is an apocalyptic number.

It is an amenable number.

1154415144 is an abundant number, since it is smaller than the sum of its proper divisors (1731622776).

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

1154415144 is a wasteful number, since it uses less digits than its factorization.

1154415144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48100640 (or 48100636 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 1154415144 is about 33976.6853003644. The cubic root of 1154415144 is about 1049.0286236325.

Adding to 1154415144 its reverse (4415144511), we get a palindrome (5569559655).

The spelling of 1154415144 in words is "one billion, one hundred fifty-four million, four hundred fifteen thousand, one hundred forty-four".