146845789 has 2 divisors, whose sum is σ = 146845790. Its totient is φ = 146845788.

The previous prime is 146845759. The next prime is 146845807. The reversal of 146845789 is 987548641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145009764 + 1836025 = 12042^2 + 1355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146845789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146845739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73422894 + 73422895.

It is an arithmetic number, because the mean of its divisors is an integer number (73422895).

Almost surely, 2^146845789 is an apocalyptic number.

It is an amenable number.

146845789 is a deficient number, since it is larger than the sum of its proper divisors (1).

146845789 is an equidigital number, since it uses as much as digits as its factorization.

146845789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 146845789 is about 12117.9944297726. The cubic root of 146845789 is about 527.5785934422.

The spelling of 146845789 in words is "one hundred forty-six million, eight hundred forty-five thousand, seven hundred eighty-nine".