146911889 has 2 divisors, whose sum is σ = 146911890. Its totient is φ = 146911888.

The previous prime is 146911847. The next prime is 146911931. The reversal of 146911889 is 988119641.

It is a balanced prime because it is at equal distance from previous prime (146911847) and next prime (146911931).

It can be written as a sum of positive squares in only one way, i.e., 78021889 + 68890000 = 8833^2 + 8300^2 .

It is a cyclic number.

It is not a de Polignac number, because 146911889 - 2¹² = 146907793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146911489) 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, 73455944 + 73455945.

It is an arithmetic number, because the mean of its divisors is an integer number (73455945).

Almost surely, 2^146911889 is an apocalyptic number.

It is an amenable number.

146911889 is a deficient number, since it is larger than the sum of its proper divisors (1).

146911889 is an equidigital number, since it uses as much as digits as its factorization.

146911889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 47.

The square root of 146911889 is about 12120.7214719257. The cubic root of 146911889 is about 527.6577415837.

The spelling of 146911889 in words is "one hundred forty-six million, nine hundred eleven thousand, eight hundred eighty-nine".