145543344 has 80 divisors (see below), whose sum is σ = 409497600. Its totient is φ = 44368128.

The previous prime is 145543331. The next prime is 145543361. The reversal of 145543344 is 443345541.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 23697 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (5118720).

Almost surely, 2^145543344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145543344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204748800).

145543344 is an abundant number, since it is smaller than the sum of its proper divisors (263954256).

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

145543344 is a wasteful number, since it uses less digits than its factorization.

145543344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5556 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 145543344 is about 12064.1346146336. The cubic root of 145543344 is about 526.0141774528.

Adding to 145543344 its reverse (443345541), we get a palindrome (588888885).

The spelling of 145543344 in words is "one hundred forty-five million, five hundred forty-three thousand, three hundred forty-four".