144085433 has 4 divisors (see below), whose sum is σ = 144195828. Its totient is φ = 143975040.

The previous prime is 144085399. The next prime is 144085453. The reversal of 144085433 is 334580441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75394489 + 68690944 = 8683^2 + 8288^2 .

It is a cyclic number.

It is not a de Polignac number, because 144085433 - 2¹² = 144081337 is a prime.

It is a super-2 number, since 2×144085433² = 41521224005594978, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144085433.

It is not an unprimeable number, because it can be changed into a prime (144085453) 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 in 3 ways as a sum of consecutive naturals, for example, 53216 + ... + 55857.

It is an arithmetic number, because the mean of its divisors is an integer number (36048957).

Almost surely, 2^144085433 is an apocalyptic number.

It is an amenable number.

144085433 is a deficient number, since it is larger than the sum of its proper divisors (110395).

144085433 is a wasteful number, since it uses less digits than its factorization.

144085433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110394.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 144085433 is about 12003.5591805098. The cubic root of 144085433 is about 524.2519147380.

The spelling of 144085433 in words is "one hundred forty-four million, eighty-five thousand, four hundred thirty-three".