144975585 has 8 divisors (see below), whose sum is σ = 231960960. Its totient is φ = 77320304.

The previous prime is 144975569. The next prime is 144975587. The reversal of 144975585 is 585579441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144975585 - 2⁴ = 144975569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144975587) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4832505 + ... + 4832534.

It is an arithmetic number, because the mean of its divisors is an integer number (28995120).

Almost surely, 2^144975585 is an apocalyptic number.

144975585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144975585 is a deficient number, since it is larger than the sum of its proper divisors (86985375).

144975585 is an equidigital number, since it uses as much as digits as its factorization.

144975585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665047.

The product of its digits is 1008000, while the sum is 48.

The square root of 144975585 is about 12040.5807584186. The cubic root of 144975585 is about 525.3292990774.

The spelling of 144975585 in words is "one hundred forty-four million, nine hundred seventy-five thousand, five hundred eighty-five".