145583303 has 2 divisors, whose sum is σ = 145583304. Its totient is φ = 145583302.

The previous prime is 145583239. The next prime is 145583351. The reversal of 145583303 is 303385541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145583303 - 2⁶ = 145583239 is a prime.

It is a super-2 number, since 2×145583303² = 42388996224779618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145583303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145583003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72791651 + 72791652.

It is an arithmetic number, because the mean of its divisors is an integer number (72791652).

Almost surely, 2^145583303 is an apocalyptic number.

145583303 is a deficient number, since it is larger than the sum of its proper divisors (1).

145583303 is an equidigital number, since it uses as much as digits as its factorization.

145583303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145583303 is about 12065.7906081616. The cubic root of 145583303 is about 526.0623122023.

The spelling of 145583303 in words is "one hundred forty-five million, five hundred eighty-three thousand, three hundred three".