146365889 has 2 divisors, whose sum is σ = 146365890. Its totient is φ = 146365888.

The previous prime is 146365841. The next prime is 146365897. The reversal of 146365889 is 988563641.

146365889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 23931664 = 11065^2 + 4892^2 .

It is a cyclic number.

It is not a de Polignac number, because 146365889 - 2⁸ = 146365633 is a prime.

It is not a weakly prime, because it can be changed into another prime (146365819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73182944 + 73182945.

It is an arithmetic number, because the mean of its divisors is an integer number (73182945).

Almost surely, 2^146365889 is an apocalyptic number.

It is an amenable number.

146365889 is a deficient number, since it is larger than the sum of its proper divisors (1).

146365889 is an equidigital number, since it uses as much as digits as its factorization.

146365889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 146365889 is about 12098.1770940915. The cubic root of 146365889 is about 527.0032477503.

The spelling of 146365889 in words is "one hundred forty-six million, three hundred sixty-five thousand, eight hundred eighty-nine".