145516188 has 12 divisors (see below), whose sum is σ = 339537800. Its totient is φ = 48505392.

The previous prime is 145516187. The next prime is 145516211. The reversal of 145516188 is 881615541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145516187) 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, 6063163 + ... + 6063186.

Almost surely, 2^145516188 is an apocalyptic number.

It is an amenable number.

145516188 is an abundant number, since it is smaller than the sum of its proper divisors (194021612).

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

145516188 is a wasteful number, since it uses less digits than its factorization.

145516188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126356 (or 12126354 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The square root of 145516188 is about 12063.0090773405. The cubic root of 145516188 is about 525.9814602129.

The spelling of 145516188 in words is "one hundred forty-five million, five hundred sixteen thousand, one hundred eighty-eight".