146036491 has 2 divisors, whose sum is σ = 146036492. Its totient is φ = 146036490.

The previous prime is 146036459. The next prime is 146036497. The reversal of 146036491 is 194630641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146036491 - 2⁵ = 146036459 is a prime.

It is not a weakly prime, because it can be changed into another prime (146036497) 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, 73018245 + 73018246.

It is an arithmetic number, because the mean of its divisors is an integer number (73018246).

Almost surely, 2^146036491 is an apocalyptic number.

146036491 is a deficient number, since it is larger than the sum of its proper divisors (1).

146036491 is an equidigital number, since it uses as much as digits as its factorization.

146036491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 146036491 is about 12084.5558875782. Note that the first 3 decimals coincide. The cubic root of 146036491 is about 526.6076086549.

The spelling of 146036491 in words is "one hundred forty-six million, thirty-six thousand, four hundred ninety-one".