146221393876 has 24 divisors (see below), whose sum is σ = 263209250304. Its totient is φ = 71036555520.

The previous prime is 146221393853. The next prime is 146221393931. The reversal of 146221393876 is 678393122641.

It is a happy number.

146221393876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192605 + ... + 2258308.

It is an arithmetic number, because the mean of its divisors is an integer number (10967052096).

Almost surely, 2^146221393876 is an apocalyptic number.

It is an amenable number.

146221393876 is a deficient number, since it is larger than the sum of its proper divisors (116987856428).

146221393876 is a wasteful number, since it uses less digits than its factorization.

146221393876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451151 (or 4451149 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The spelling of 146221393876 in words is "one hundred forty-six billion, two hundred twenty-one million, three hundred ninety-three thousand, eight hundred seventy-six".