145205033 has 2 divisors, whose sum is σ = 145205034. Its totient is φ = 145205032.

The previous prime is 145205029. The next prime is 145205063. The reversal of 145205033 is 330502541.

145205033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 9412624 = 11653^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 145205033 - 2² = 145205029 is a prime.

It is not a weakly prime, because it can be changed into another prime (145205063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602516 + 72602517.

It is an arithmetic number, because the mean of its divisors is an integer number (72602517).

Almost surely, 2^145205033 is an apocalyptic number.

It is an amenable number.

145205033 is a deficient number, since it is larger than the sum of its proper divisors (1).

145205033 is an equidigital number, since it uses as much as digits as its factorization.

145205033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 145205033 is about 12050.1051032761. The cubic root of 145205033 is about 525.6062933579.

Adding to 145205033 its reverse (330502541), we get a palindrome (475707574).

The spelling of 145205033 in words is "one hundred forty-five million, two hundred five thousand, thirty-three".