145443244 has 6 divisors (see below), whose sum is σ = 254525684. Its totient is φ = 72721620.

The previous prime is 145443241. The next prime is 145443251. The reversal of 145443244 is 442344541.

It is not an unprimeable number, because it can be changed into a prime (145443241) 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 as a sum of consecutive naturals, namely, 18180402 + ... + 18180409.

Almost surely, 2^145443244 is an apocalyptic number.

It is an amenable number.

145443244 is a deficient number, since it is larger than the sum of its proper divisors (109082440).

145443244 is a wasteful number, since it uses less digits than its factorization.

145443244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36360815 (or 36360813 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 145443244 is about 12059.9852404553. The cubic root of 145443244 is about 525.8935579554.

Adding to 145443244 its reverse (442344541), we get a palindrome (587787785).

The spelling of 145443244 in words is "one hundred forty-five million, four hundred forty-three thousand, two hundred forty-four".