145533443 has 8 divisors (see below), whose sum is σ = 165666816. Its totient is φ = 126550600.

The previous prime is 145533439. The next prime is 145533461. The reversal of 145533443 is 344335541.

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

It is not a de Polignac number, because 145533443 - 2² = 145533439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145533403) 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, 287363 + ... + 287868.

It is an arithmetic number, because the mean of its divisors is an integer number (20708352).

Almost surely, 2^145533443 is an apocalyptic number.

145533443 is a deficient number, since it is larger than the sum of its proper divisors (20133373).

145533443 is a wasteful number, since it uses less digits than its factorization.

145533443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575265.

The product of its digits is 43200, while the sum is 32.

The square root of 145533443 is about 12063.7242591167. The cubic root of 145533443 is about 526.0022493121.

Adding to 145533443 its reverse (344335541), we get a palindrome (489868984).

The spelling of 145533443 in words is "one hundred forty-five million, five hundred thirty-three thousand, four hundred forty-three".