144785145 has 32 divisors (see below), whose sum is σ = 242403840. Its totient is φ = 73717760.

The previous prime is 144785129. The next prime is 144785153. The reversal of 144785145 is 541587441.

It is not a de Polignac number, because 144785145 - 2⁴ = 144785129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26401 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (7575120).

Almost surely, 2^144785145 is an apocalyptic number.

144785145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144785145 is a deficient number, since it is larger than the sum of its proper divisors (97618695).

144785145 is a wasteful number, since it uses less digits than its factorization.

144785145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105.

The product of its digits is 89600, while the sum is 39.

The square root of 144785145 is about 12032.6699032260. The cubic root of 144785145 is about 525.0991740083.

The spelling of 144785145 in words is "one hundred forty-four million, seven hundred eighty-five thousand, one hundred forty-five".