145089168 has 80 divisors (see below), whose sum is σ = 450923520. Its totient is φ = 39270528.

The previous prime is 145089163. The next prime is 145089211. The reversal of 145089168 is 861980541.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (145089163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (5636544).

Almost surely, 2^145089168 is an apocalyptic number.

It is an amenable number.

145089168 is an abundant number, since it is smaller than the sum of its proper divisors (305834352).

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

145089168 is a wasteful number, since it uses less digits than its factorization.

145089168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764 (or 22758 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 145089168 is about 12045.2965094264. The cubic root of 145089168 is about 525.4664552794.

The spelling of 145089168 in words is "one hundred forty-five million, eighty-nine thousand, one hundred sixty-eight".