145244164566 has 24 divisors (see below), whose sum is σ = 306581869944. Its totient is φ = 45866577600.

The previous prime is 145244164523. The next prime is 145244164573. The reversal of 145244164566 is 665461442541.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 33526035 + ... + 33530366.

It is an arithmetic number, because the mean of its divisors is an integer number (12774244581).

Almost surely, 2^145244164566 is an apocalyptic number.

145244164566 is an abundant number, since it is smaller than the sum of its proper divisors (161337705378).

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

145244164566 is a wasteful number, since it uses less digits than its factorization.

145244164566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67056444 (or 67056425 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 145244164566 in words is "one hundred forty-five billion, two hundred forty-four million, one hundred sixty-four thousand, five hundred sixty-six".