145171669611200 has 84 divisors (see below), whose sum is σ = 359782918070520. Its totient is φ = 57650907555840.

The previous prime is 145171669611169. The next prime is 145171669611203. The reversal of 145171669611200 is 2116966171541.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (145171669611203) by changing a digit.

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, 326152757 + ... + 326597556.

It is an arithmetic number, because the mean of its divisors is an integer number (4283129977030).

Almost surely, 2^{145171669611200} is an apocalyptic number.

145171669611200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145171669611200 is an abundant number, since it is smaller than the sum of its proper divisors (214611248459320).

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

145171669611200 is a wasteful number, since it uses less digits than its factorization.

145171669611200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652750474 (or 652750459 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 145171669611200 in words is "one hundred forty-five trillion, one hundred seventy-one billion, six hundred sixty-nine million, six hundred eleven thousand, two hundred".