146273887 has 2 divisors, whose sum is σ = 146273888. Its totient is φ = 146273886.

The previous prime is 146273857. The next prime is 146273891. The reversal of 146273887 is 788372641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146273887 - 2⁷ = 146273759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146273807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73136943 + 73136944.

It is an arithmetic number, because the mean of its divisors is an integer number (73136944).

Almost surely, 2^146273887 is an apocalyptic number.

146273887 is a deficient number, since it is larger than the sum of its proper divisors (1).

146273887 is an equidigital number, since it uses as much as digits as its factorization.

146273887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 46.

The square root of 146273887 is about 12094.3741880264. The cubic root of 146273887 is about 526.8928041773.

The spelling of 146273887 in words is "one hundred forty-six million, two hundred seventy-three thousand, eight hundred eighty-seven".