145333303 has 2 divisors, whose sum is σ = 145333304. Its totient is φ = 145333302.

The previous prime is 145333283. The next prime is 145333319. The reversal of 145333303 is 303333541.

145333303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145333303 - 2²⁵ = 111778871 is a prime.

It is a super-2 number, since 2×145333303² = 42243537921779618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145333393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72666651 + 72666652.

It is an arithmetic number, because the mean of its divisors is an integer number (72666652).

Almost surely, 2^145333303 is an apocalyptic number.

145333303 is a deficient number, since it is larger than the sum of its proper divisors (1).

145333303 is an equidigital number, since it uses as much as digits as its factorization.

145333303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 145333303 is about 12055.4262886055. The cubic root of 145333303 is about 525.7610163622.

Adding to 145333303 its reverse (303333541), we get a palindrome (448666844).

The spelling of 145333303 in words is "one hundred forty-five million, three hundred thirty-three thousand, three hundred three".