1151443249 has 8 divisors (see below), whose sum is σ = 1272021120. Its totient is φ = 1033515600.

The previous prime is 1151443229. The next prime is 1151443277. The reversal of 1151443249 is 9423441511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151443249 - 2⁵ = 1151443217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151443229) 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, 661642 + ... + 663379.

It is an arithmetic number, because the mean of its divisors is an integer number (159002640).

Almost surely, 2^1151443249 is an apocalyptic number.

It is an amenable number.

1151443249 is a deficient number, since it is larger than the sum of its proper divisors (120577871).

1151443249 is a wasteful number, since it uses less digits than its factorization.

1151443249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325111.

The product of its digits is 17280, while the sum is 34.

The square root of 1151443249 is about 33932.9227889376. The cubic root of 1151443249 is about 1048.1276531104.

The spelling of 1151443249 in words is "one billion, one hundred fifty-one million, four hundred forty-three thousand, two hundred forty-nine".