146443220466 has 32 divisors (see below), whose sum is σ = 305656633728. Its totient is φ = 46686541440.

The previous prime is 146443220453. The next prime is 146443220507. The reversal of 146443220466 is 664022344641.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206300 + ... + 1322136.

It is an arithmetic number, because the mean of its divisors is an integer number (9551769804).

Almost surely, 2^146443220466 is an apocalyptic number.

146443220466 is an abundant number, since it is smaller than the sum of its proper divisors (159213413262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146443220466 is a wasteful number, since it uses less digits than its factorization.

146443220466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125026.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 146443220466 in words is "one hundred forty-six billion, four hundred forty-three million, two hundred twenty thousand, four hundred sixty-six".