145873823 has 2 divisors, whose sum is σ = 145873824. Its totient is φ = 145873822.

The previous prime is 145873747. The next prime is 145873829. The reversal of 145873823 is 328378541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145873823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145873829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72936911 + 72936912.

It is an arithmetic number, because the mean of its divisors is an integer number (72936912).

Almost surely, 2^145873823 is an apocalyptic number.

145873823 is a deficient number, since it is larger than the sum of its proper divisors (1).

145873823 is an equidigital number, since it uses as much as digits as its factorization.

145873823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 145873823 is about 12077.8236036134. The cubic root of 145873823 is about 526.4120090675.

The spelling of 145873823 in words is "one hundred forty-five million, eight hundred seventy-three thousand, eight hundred twenty-three".