146889115 has 4 divisors (see below), whose sum is σ = 176266944. Its totient is φ = 117511288.

The previous prime is 146889103. The next prime is 146889139. The reversal of 146889115 is 511988641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511988641 = 463 ⋅1105807.

It is a cyclic number.

It is not a de Polignac number, because 146889115 - 2¹⁷ = 146758043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14688907 + ... + 14688916.

It is an arithmetic number, because the mean of its divisors is an integer number (44066736).

Almost surely, 2^146889115 is an apocalyptic number.

146889115 is a deficient number, since it is larger than the sum of its proper divisors (29377829).

146889115 is an equidigital number, since it uses as much as digits as its factorization.

146889115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29377828.

The product of its digits is 69120, while the sum is 43.

The square root of 146889115 is about 12119.7819699861. The cubic root of 146889115 is about 527.6304746768.

The spelling of 146889115 in words is "one hundred forty-six million, eight hundred eighty-nine thousand, one hundred fifteen".