145868573 has 2 divisors, whose sum is σ = 145868574. Its totient is φ = 145868572.

The previous prime is 145868539. The next prime is 145868587. The reversal of 145868573 is 375868541.

145868573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142038724 + 3829849 = 11918^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 145868573 - 2⁶ = 145868509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145868533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72934286 + 72934287.

It is an arithmetic number, because the mean of its divisors is an integer number (72934287).

Almost surely, 2^145868573 is an apocalyptic number.

It is an amenable number.

145868573 is a deficient number, since it is larger than the sum of its proper divisors (1).

145868573 is an equidigital number, since it uses as much as digits as its factorization.

145868573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The square root of 145868573 is about 12077.6062611761. The cubic root of 145868573 is about 526.4056938010.

The spelling of 145868573 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, five hundred seventy-three".