145066147 has 2 divisors, whose sum is σ = 145066148. Its totient is φ = 145066146.

The previous prime is 145066093. The next prime is 145066157. The reversal of 145066147 is 741660541.

It is a strong prime.

It is an emirp because it is prime and its reverse (741660541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145066147 - 2²³ = 136677539 is a prime.

It is not a weakly prime, because it can be changed into another prime (145066157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72533073 + 72533074.

It is an arithmetic number, because the mean of its divisors is an integer number (72533074).

Almost surely, 2^145066147 is an apocalyptic number.

145066147 is a deficient number, since it is larger than the sum of its proper divisors (1).

145066147 is an equidigital number, since it uses as much as digits as its factorization.

145066147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 145066147 is about 12044.3408703009. The cubic root of 145066147 is about 525.4386622487.

The spelling of 145066147 in words is "one hundred forty-five million, sixty-six thousand, one hundred forty-seven".