144681145 has 16 divisors (see below), whose sum is σ = 205263360. Its totient is φ = 95788224.

The previous prime is 144681133. The next prime is 144681161. The reversal of 144681145 is 541186441.

It is a happy number.

It is not a de Polignac number, because 144681145 - 2⁹ = 144680633 is a prime.

It is a super-2 number, since 2×144681145² = 41865267437022050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144681145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70257 + ... + 72286.

It is an arithmetic number, because the mean of its divisors is an integer number (12828960).

Almost surely, 2^144681145 is an apocalyptic number.

It is an amenable number.

144681145 is a deficient number, since it is larger than the sum of its proper divisors (60582215).

144681145 is a wasteful number, since it uses less digits than its factorization.

144681145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142584.

The product of its digits is 15360, while the sum is 34.

The square root of 144681145 is about 12028.3475589958. The cubic root of 144681145 is about 524.9734166434.

The spelling of 144681145 in words is "one hundred forty-four million, six hundred eighty-one thousand, one hundred forty-five".