1154032449 has 16 divisors (see below), whose sum is σ = 1552180224. Its totient is φ = 762642000.

The previous prime is 1154032423. The next prime is 1154032459. The reversal of 1154032449 is 9442304511.

It is not a de Polignac number, because 1154032449 - 2¹⁵ = 1153999681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154032459) 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 15 ways as a sum of consecutive naturals, for example, 234484 + ... + 239354.

It is an arithmetic number, because the mean of its divisors is an integer number (97011264).

Almost surely, 2^1154032449 is an apocalyptic number.

It is an amenable number.

1154032449 is a deficient number, since it is larger than the sum of its proper divisors (398147775).

1154032449 is a wasteful number, since it uses less digits than its factorization.

1154032449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1154032449 is about 33971.0531040767. The cubic root of 1154032449 is about 1048.9126912255.

The spelling of 1154032449 in words is "one billion, one hundred fifty-four million, thirty-two thousand, four hundred forty-nine".