146089873 has 2 divisors, whose sum is σ = 146089874. Its totient is φ = 146089872.

The previous prime is 146089871. The next prime is 146089883. The reversal of 146089873 is 378980641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 58798224 = 9343^2 + 7668^2 .

It is a cyclic number.

It is not a de Polignac number, because 146089873 - 2¹ = 146089871 is a prime.

It is a super-2 number, since 2×146089873² = 42684501986312258, which contains 22 as substring.

Together with 146089871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146089871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73044936 + 73044937.

It is an arithmetic number, because the mean of its divisors is an integer number (73044937).

Almost surely, 2^146089873 is an apocalyptic number.

It is an amenable number.

146089873 is a deficient number, since it is larger than the sum of its proper divisors (1).

146089873 is an equidigital number, since it uses as much as digits as its factorization.

146089873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 146089873 is about 12086.7643726516. The cubic root of 146089873 is about 526.6717660049.

The spelling of 146089873 in words is "one hundred forty-six million, eighty-nine thousand, eight hundred seventy-three".