144011345 has 16 divisors (see below), whose sum is σ = 176418000. Its totient is φ = 112831488.

The previous prime is 144011333. The next prime is 144011377. The reversal of 144011345 is 543110441.

It can be written as a sum of positive squares in 8 ways, for example, as 31820881 + 112190464 = 5641^2 + 10592^2 .

It is a cyclic number.

It is not a de Polignac number, because 144011345 - 2¹² = 144007249 is a prime.

It is a super-4 number, since 4×144011345⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144011345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47021 + ... + 49989.

It is an arithmetic number, because the mean of its divisors is an integer number (11026125).

Almost surely, 2^144011345 is an apocalyptic number.

It is an amenable number.

144011345 is a deficient number, since it is larger than the sum of its proper divisors (32406655).

144011345 is a wasteful number, since it uses less digits than its factorization.

144011345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 144011345 is about 12000.4726990232. The cubic root of 144011345 is about 524.1620434392.

Adding to 144011345 its reverse (543110441), we get a palindrome (687121786).

The spelling of 144011345 in words is "one hundred forty-four million, eleven thousand, three hundred forty-five".