145712244 has 12 divisors (see below), whose sum is σ = 339995264. Its totient is φ = 48570744.

The previous prime is 145712243. The next prime is 145712293. The reversal of 145712244 is 442217541.

145712244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (145712243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071332 + ... + 6071355.

Almost surely, 2^145712244 is an apocalyptic number.

It is an amenable number.

145712244 is an abundant number, since it is smaller than the sum of its proper divisors (194283020).

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

145712244 is a wasteful number, since it uses less digits than its factorization.

145712244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142694 (or 12142692 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 145712244 is about 12071.1326726202. The cubic root of 145712244 is about 526.2175749360.

Adding to 145712244 its reverse (442217541), we get a palindrome (587929785).

The spelling of 145712244 in words is "one hundred forty-five million, seven hundred twelve thousand, two hundred forty-four".