145304188 has 12 divisors (see below), whose sum is σ = 254372272. Its totient is φ = 72626400.

The previous prime is 145304183. The next prime is 145304189. The reversal of 145304188 is 881403541.

It is a super-2 number, since 2×145304188² = 42226614100678688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145304183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12481 + ... + 21127.

Almost surely, 2^145304188 is an apocalyptic number.

It is an amenable number.

145304188 is a deficient number, since it is larger than the sum of its proper divisors (109068084).

145304188 is a wasteful number, since it uses less digits than its factorization.

145304188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852 (or 12850 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 145304188 is about 12054.2186806114. The cubic root of 145304188 is about 525.7259049917.

The spelling of 145304188 in words is "one hundred forty-five million, three hundred four thousand, one hundred eighty-eight".