146023117 has 2 divisors, whose sum is σ = 146023118. Its totient is φ = 146023116.

The previous prime is 146023093. The next prime is 146023177. The reversal of 146023117 is 711320641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145298916 + 724201 = 12054^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 146023117 - 2²³ = 137634509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146023091 and 146023100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146023177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73011558 + 73011559.

It is an arithmetic number, because the mean of its divisors is an integer number (73011559).

Almost surely, 2^146023117 is an apocalyptic number.

It is an amenable number.

146023117 is a deficient number, since it is larger than the sum of its proper divisors (1).

146023117 is an equidigital number, since it uses as much as digits as its factorization.

146023117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 146023117 is about 12084.0025239984. The cubic root of 146023117 is about 526.5915326154.

Adding to 146023117 its reverse (711320641), we get a palindrome (857343758).

The spelling of 146023117 in words is "one hundred forty-six million, twenty-three thousand, one hundred seventeen".