145998301 has 2 divisors, whose sum is σ = 145998302. Its totient is φ = 145998300.

The previous prime is 145998283. The next prime is 145998317. The reversal of 145998301 is 103899541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138627076 + 7371225 = 11774^2 + 2715^2 .

It is an emirp because it is prime and its reverse (103899541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145998301 - 2¹³ = 145990109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145998331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72999150 + 72999151.

It is an arithmetic number, because the mean of its divisors is an integer number (72999151).

Almost surely, 2^145998301 is an apocalyptic number.

It is an amenable number.

145998301 is a deficient number, since it is larger than the sum of its proper divisors (1).

145998301 is an equidigital number, since it uses as much as digits as its factorization.

145998301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 145998301 is about 12082.9756682698. The cubic root of 145998301 is about 526.5617002709.

The spelling of 145998301 in words is "one hundred forty-five million, nine hundred ninety-eight thousand, three hundred one".