1154499276 has 24 divisors (see below), whose sum is σ = 3078664960. Its totient is φ = 329856912.

The previous prime is 1154499163. The next prime is 1154499277. The reversal of 1154499276 is 6729944511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1154499277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871936 + ... + 6872103.

Almost surely, 2^1154499276 is an apocalyptic number.

It is an amenable number.

1154499276 is an abundant number, since it is smaller than the sum of its proper divisors (1924165684).

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

1154499276 is a wasteful number, since it uses less digits than its factorization.

1154499276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13744053 (or 13744051 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 1154499276 is about 33977.9233620891. The cubic root of 1154499276 is about 1049.0541068777.

The spelling of 1154499276 in words is "one billion, one hundred fifty-four million, four hundred ninety-nine thousand, two hundred seventy-six".