145585873 has 2 divisors, whose sum is σ = 145585874. Its totient is φ = 145585872.

The previous prime is 145585801. The next prime is 145585903. The reversal of 145585873 is 378585541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83759104 + 61826769 = 9152^2 + 7863^2 .

It is a cyclic number.

It is not a de Polignac number, because 145585873 - 2⁹ = 145585361 is a prime.

It is not a weakly prime, because it can be changed into another prime (145585073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72792936 + 72792937.

It is an arithmetic number, because the mean of its divisors is an integer number (72792937).

Almost surely, 2^145585873 is an apocalyptic number.

It is an amenable number.

145585873 is a deficient number, since it is larger than the sum of its proper divisors (1).

145585873 is an equidigital number, since it uses as much as digits as its factorization.

145585873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 46.

The square root of 145585873 is about 12065.8971071363. The cubic root of 145585873 is about 526.0654077317.

The spelling of 145585873 in words is "one hundred forty-five million, five hundred eighty-five thousand, eight hundred seventy-three".