145224120660 has 24 divisors (see below), whose sum is σ = 406627538016. Its totient is φ = 38726432160.

The previous prime is 145224120641. The next prime is 145224120673. The reversal of 145224120660 is 66021422541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210200946 + ... + 1210201065.

It is an arithmetic number, because the mean of its divisors is an integer number (16942814084).

Almost surely, 2^145224120660 is an apocalyptic number.

145224120660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145224120660 is an abundant number, since it is smaller than the sum of its proper divisors (261403417356).

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

145224120660 is a wasteful number, since it uses less digits than its factorization.

145224120660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420402023 (or 2420402021 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 145224120660 in words is "one hundred forty-five billion, two hundred twenty-four million, one hundred twenty thousand, six hundred sixty".