146221185288 has 64 divisors (see below), whose sum is σ = 366178498560. Its totient is φ = 48657082176.

The previous prime is 146221185259. The next prime is 146221185307. The reversal of 146221185288 is 882581122641.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52843281 + ... + 52846047.

It is an arithmetic number, because the mean of its divisors is an integer number (5721539040).

Almost surely, 2^146221185288 is an apocalyptic number.

It is an amenable number.

146221185288 is an abundant number, since it is smaller than the sum of its proper divisors (219957313272).

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

146221185288 is a wasteful number, since it uses less digits than its factorization.

146221185288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746 (or 5742 counting only the distinct ones).

The product of its digits is 491520, while the sum is 48.

The spelling of 146221185288 in words is "one hundred forty-six billion, two hundred twenty-one million, one hundred eighty-five thousand, two hundred eighty-eight".