145449184 has 24 divisors (see below), whose sum is σ = 289139760. Its totient is φ = 72016896.

The previous prime is 145449173. The next prime is 145449203. The reversal of 145449184 is 481944541.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18769 + ... + 25360.

It is an arithmetic number, because the mean of its divisors is an integer number (12047490).

Almost surely, 2^145449184 is an apocalyptic number.

It is an amenable number.

145449184 is a deficient number, since it is larger than the sum of its proper divisors (143690576).

145449184 is a wasteful number, since it uses less digits than its factorization.

145449184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44242 (or 44234 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 145449184 is about 12060.2315068990. The cubic root of 145449184 is about 525.9007171403.

The spelling of 145449184 in words is "one hundred forty-five million, four hundred forty-nine thousand, one hundred eighty-four".