145550303 has 2 divisors, whose sum is σ = 145550304. Its totient is φ = 145550302.

The previous prime is 145550297. The next prime is 145550323. The reversal of 145550303 is 303055541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145550303 - 2⁸ = 145550047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145550323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72775151 + 72775152.

It is an arithmetic number, because the mean of its divisors is an integer number (72775152).

Almost surely, 2^145550303 is an apocalyptic number.

145550303 is a deficient number, since it is larger than the sum of its proper divisors (1).

145550303 is an equidigital number, since it uses as much as digits as its factorization.

145550303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 145550303 is about 12064.4230280606. The cubic root of 145550303 is about 526.0225609218.

The spelling of 145550303 in words is "one hundred forty-five million, five hundred fifty thousand, three hundred three".