145595903 has 2 divisors, whose sum is σ = 145595904. Its totient is φ = 145595902.

The previous prime is 145595899. The next prime is 145595941. The reversal of 145595903 is 309595541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145595903 - 2² = 145595899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145595963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72797951 + 72797952.

It is an arithmetic number, because the mean of its divisors is an integer number (72797952).

Almost surely, 2^145595903 is an apocalyptic number.

145595903 is a deficient number, since it is larger than the sum of its proper divisors (1).

145595903 is an equidigital number, since it uses as much as digits as its factorization.

145595903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 145595903 is about 12066.3127342200. The cubic root of 145595903 is about 526.0774883793.

The spelling of 145595903 in words is "one hundred forty-five million, five hundred ninety-five thousand, nine hundred three".