145433 has 2 divisors, whose sum is σ = 145434. Its totient is φ = 145432.

The previous prime is 145423. The next prime is 145441. The reversal of 145433 is 334541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100489 + 44944 = 317^2 + 212^2 .

It is an emirp because it is prime and its reverse (334541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145433 - 2⁴ = 145417 is a prime.

It is not a weakly prime, because it can be changed into another prime (145423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72716 + 72717.

It is an arithmetic number, because the mean of its divisors is an integer number (72717).

2¹⁴⁵⁴³³ is an apocalyptic number.

It is an amenable number.

145433 is a deficient number, since it is larger than the sum of its proper divisors (1).

145433 is an equidigital number, since it uses as much as digits as its factorization.

145433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 20.

The square root of 145433 is about 381.3567883230. The cubic root of 145433 is about 52.5881210917.

Adding to 145433 its reverse (334541), we get a palindrome (479974).

The spelling of 145433 in words is "one hundred forty-five thousand, four hundred thirty-three".