145549168 has 10 divisors (see below), whose sum is σ = 282001544. Its totient is φ = 72774576.

The previous prime is 145549163. The next prime is 145549169. The reversal of 145549168 is 861945541.

145549168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145549163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4548396 + ... + 4548427.

Almost surely, 2^145549168 is an apocalyptic number.

It is an amenable number.

145549168 is a deficient number, since it is larger than the sum of its proper divisors (136452376).

145549168 is an equidigital number, since it uses as much as digits as its factorization.

145549168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096831 (or 9096825 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 145549168 is about 12064.3759888359. The cubic root of 145549168 is about 526.0211936118.

The spelling of 145549168 in words is "one hundred forty-five million, five hundred forty-nine thousand, one hundred sixty-eight".