145355188 has 24 divisors (see below), whose sum is σ = 277976160. Its totient is φ = 65956320.

The previous prime is 145355159. The next prime is 145355201. The reversal of 145355188 is 881553541.

It is a happy number.

145355188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145355188² = 42256261357030688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145355188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26203 + ... + 31261.

It is an arithmetic number, because the mean of its divisors is an integer number (11582340).

Almost surely, 2^145355188 is an apocalyptic number.

It is an amenable number.

145355188 is a deficient number, since it is larger than the sum of its proper divisors (132620972).

145355188 is a wasteful number, since it uses less digits than its factorization.

145355188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727 (or 5725 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 145355188 is about 12056.3339369810. Note that the first 3 decimals coincide. The cubic root of 145355188 is about 525.7874055932.

The spelling of 145355188 in words is "one hundred forty-five million, three hundred fifty-five thousand, one hundred eighty-eight".