145336303 has 16 divisors (see below), whose sum is σ = 170497600. Its totient is φ = 123832800.

The previous prime is 145336283. The next prime is 145336307. The reversal of 145336303 is 303633541.

It is a de Polignac number, because none of the positive numbers 2^k-145336303 is a prime.

It is a super-2 number, since 2×145336303² = 42245281939415618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145336307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60913 + ... + 63253.

It is an arithmetic number, because the mean of its divisors is an integer number (10656100).

Almost surely, 2^145336303 is an apocalyptic number.

145336303 is a deficient number, since it is larger than the sum of its proper divisors (25161297).

145336303 is an equidigital number, since it uses as much as digits as its factorization.

145336303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 145336303 is about 12055.5507132607. The cubic root of 145336303 is about 525.7646339597.

Adding to 145336303 its reverse (303633541), we get a palindrome (448969844).

The spelling of 145336303 in words is "one hundred forty-five million, three hundred thirty-six thousand, three hundred three".