145221233064 has 32 divisors (see below), whose sum is σ = 363219828000. Its totient is φ = 48384844992.

The previous prime is 145221233057. The next prime is 145221233077. The reversal of 145221233064 is 460332122541.

145221233064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1336159 + ... + 1440750.

It is an arithmetic number, because the mean of its divisors is an integer number (11350619625).

Almost surely, 2^145221233064 is an apocalyptic number.

It is an amenable number.

145221233064 is an abundant number, since it is smaller than the sum of its proper divisors (217998594936).

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

145221233064 is a wasteful number, since it uses less digits than its factorization.

145221233064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779097 (or 2779093 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 145221233064 in words is "one hundred forty-five billion, two hundred twenty-one million, two hundred thirty-three thousand, sixty-four".