145212344 has 16 divisors (see below), whose sum is σ = 272726520. Its totient is φ = 72485280.

The previous prime is 145212293. The next prime is 145212359. The reversal of 145212344 is 443212541.

145212344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9902 + ... + 19709.

Almost surely, 2^145212344 is an apocalyptic number.

It is an amenable number.

145212344 is a deficient number, since it is larger than the sum of its proper divisors (127514176).

145212344 is a wasteful number, since it uses less digits than its factorization.

145212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30230 (or 30226 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 145212344 is about 12050.4084578076. The cubic root of 145212344 is about 525.6151145469.

Adding to 145212344 its reverse (443212541), we get a palindrome (588424885).

The spelling of 145212344 in words is "one hundred forty-five million, two hundred twelve thousand, three hundred forty-four".