146309087 has 2 divisors, whose sum is σ = 146309088. Its totient is φ = 146309086.

The previous prime is 146309083. The next prime is 146309117. The reversal of 146309087 is 780903641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146309087 - 2² = 146309083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146309087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146309081) 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, 73154543 + 73154544.

It is an arithmetic number, because the mean of its divisors is an integer number (73154544).

Almost surely, 2^146309087 is an apocalyptic number.

146309087 is a deficient number, since it is larger than the sum of its proper divisors (1).

146309087 is an equidigital number, since it uses as much as digits as its factorization.

146309087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 146309087 is about 12095.8293225392. The cubic root of 146309087 is about 526.9350653983.

The spelling of 146309087 in words is "one hundred forty-six million, three hundred nine thousand, eighty-seven".