145542184 has 32 divisors (see below), whose sum is σ = 283516200. Its totient is φ = 69959680.

The previous prime is 145542139. The next prime is 145542197. The reversal of 145542184 is 481245541.

It can be written as a sum of positive squares in 4 ways, for example, as 134050084 + 11492100 = 11578^2 + 3390^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58404 + ... + 60844.

Almost surely, 2^145542184 is an apocalyptic number.

It is an amenable number.

145542184 is a deficient number, since it is larger than the sum of its proper divisors (137974016).

145542184 is a wasteful number, since it uses less digits than its factorization.

145542184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733 (or 2729 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 145542184 is about 12064.0865381512. The cubic root of 145542184 is about 526.0127799812.

The spelling of 145542184 in words is "one hundred forty-five million, five hundred forty-two thousand, one hundred eighty-four".