146891822 has 32 divisors (see below), whose sum is σ = 277012224. Its totient is φ = 57223320.

The previous prime is 146891809. The next prime is 146891837. The reversal of 146891822 is 228198641.

146891822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 146891822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14693 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (8656632).

Almost surely, 2^146891822 is an apocalyptic number.

146891822 is a deficient number, since it is larger than the sum of its proper divisors (130120402).

146891822 is an equidigital number, since it uses as much as digits as its factorization.

146891822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925 (or 7903 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 146891822 is about 12119.8936463981. The cubic root of 146891822 is about 527.6337158676.

The spelling of 146891822 in words is "one hundred forty-six million, eight hundred ninety-one thousand, eight hundred twenty-two".