145548188 has 6 divisors (see below), whose sum is σ = 254709336. Its totient is φ = 72774092.

The previous prime is 145548173. The next prime is 145548191. The reversal of 145548188 is 881845541.

145548188 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18193520 + ... + 18193527.

It is an arithmetic number, because the mean of its divisors is an integer number (42451556).

Almost surely, 2^145548188 is an apocalyptic number.

It is an amenable number.

145548188 is a deficient number, since it is larger than the sum of its proper divisors (109161148).

145548188 is a wasteful number, since it uses less digits than its factorization.

145548188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36387051 (or 36387049 counting only the distinct ones).

The product of its digits is 204800, while the sum is 44.

The square root of 145548188 is about 12064.3353733225. The cubic root of 145548188 is about 526.0200130212.

The spelling of 145548188 in words is "one hundred forty-five million, five hundred forty-eight thousand, one hundred eighty-eight".