1149433456 has 10 divisors (see below), whose sum is σ = 2227027352. Its totient is φ = 574716720.

The previous prime is 1149433451. The next prime is 1149433459. The reversal of 1149433456 is 6543349411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149433451) 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 as a sum of consecutive naturals, namely, 35919780 + ... + 35919811.

Almost surely, 2^1149433456 is an apocalyptic number.

1149433456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1149433456 is a deficient number, since it is larger than the sum of its proper divisors (1077593896).

1149433456 is an equidigital number, since it uses as much as digits as its factorization.

1149433456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71839599 (or 71839593 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 1149433456 is about 33903.2956510130. The cubic root of 1149433456 is about 1047.5174778878.

The spelling of 1149433456 in words is "one billion, one hundred forty-nine million, four hundred thirty-three thousand, four hundred fifty-six".