145125823 has 2 divisors, whose sum is σ = 145125824. Its totient is φ = 145125822.

The previous prime is 145125797. The next prime is 145125829. The reversal of 145125823 is 328521541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145125823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145125829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72562911 + 72562912.

It is an arithmetic number, because the mean of its divisors is an integer number (72562912).

Almost surely, 2^145125823 is an apocalyptic number.

145125823 is a deficient number, since it is larger than the sum of its proper divisors (1).

145125823 is an equidigital number, since it uses as much as digits as its factorization.

145125823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 145125823 is about 12046.8179616030. The cubic root of 145125823 is about 525.5107024400.

The spelling of 145125823 in words is "one hundred forty-five million, one hundred twenty-five thousand, eight hundred twenty-three".