1144550433 has 16 divisors (see below), whose sum is σ = 1660405376. Its totient is φ = 697075200.

The previous prime is 1144550419. The next prime is 1144550437. The reversal of 1144550433 is 3340554411.

It is not a de Polignac number, because 1144550433 - 2⁵ = 1144550401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144550433.

It is not an unprimeable number, because it can be changed into a prime (1144550437) 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, 147493 + ... + 155058.

It is an arithmetic number, because the mean of its divisors is an integer number (103775336).

Almost surely, 2^1144550433 is an apocalyptic number.

1144550433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1144550433 is a deficient number, since it is larger than the sum of its proper divisors (515854943).

1144550433 is a wasteful number, since it uses less digits than its factorization.

1144550433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302664.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1144550433 is about 33831.2050184441. The cubic root of 1144550433 is about 1046.0320178674.

The spelling of 1144550433 in words is "one billion, one hundred forty-four million, five hundred fifty thousand, four hundred thirty-three".