144893245 has 24 divisors (see below), whose sum is σ = 206578944. Its totient is φ = 97233696.

The previous prime is 144893237. The next prime is 144893249. The reversal of 144893245 is 542398441.

144893245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144893245 - 2³ = 144893237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144893198 and 144893207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144893249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5224 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (8607456).

Almost surely, 2^144893245 is an apocalyptic number.

It is an amenable number.

144893245 is a deficient number, since it is larger than the sum of its proper divisors (61685699).

144893245 is a wasteful number, since it uses less digits than its factorization.

144893245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649 (or 12642 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 144893245 is about 12037.1610024956. The cubic root of 144893245 is about 525.2298253024.

The spelling of 144893245 in words is "one hundred forty-four million, eight hundred ninety-three thousand, two hundred forty-five".