145822301 has 2 divisors, whose sum is σ = 145822302. Its totient is φ = 145822300.

The previous prime is 145822297. The next prime is 145822307. The reversal of 145822301 is 103228541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137499076 + 8323225 = 11726^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 145822301 - 2² = 145822297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145822307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72911150 + 72911151.

It is an arithmetic number, because the mean of its divisors is an integer number (72911151).

Almost surely, 2^145822301 is an apocalyptic number.

It is an amenable number.

145822301 is a deficient number, since it is larger than the sum of its proper divisors (1).

145822301 is an equidigital number, since it uses as much as digits as its factorization.

145822301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 145822301 is about 12075.6904978556. The cubic root of 145822301 is about 526.3500262920.

The spelling of 145822301 in words is "one hundred forty-five million, eight hundred twenty-two thousand, three hundred one".