145322267 has 2 divisors, whose sum is σ = 145322268. Its totient is φ = 145322266.

The previous prime is 145322173. The next prime is 145322297. The reversal of 145322267 is 762223541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145322267 - 2¹⁴ = 145305883 is a prime.

It is a super-2 number, since 2×145322267² = 42237122572038578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145322297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72661133 + 72661134.

It is an arithmetic number, because the mean of its divisors is an integer number (72661134).

Almost surely, 2^145322267 is an apocalyptic number.

145322267 is a deficient number, since it is larger than the sum of its proper divisors (1).

145322267 is an equidigital number, since it uses as much as digits as its factorization.

145322267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 145322267 is about 12054.9685607222. The cubic root of 145322267 is about 525.7477079983.

The spelling of 145322267 in words is "one hundred forty-five million, three hundred twenty-two thousand, two hundred sixty-seven".