144966857 has 8 divisors (see below), whose sum is σ = 169717632. Its totient is φ = 121226400.

The previous prime is 144966841. The next prime is 144966859. The reversal of 144966857 is 758669441.

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 144966857 - 2⁴ = 144966841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144966859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252269 + ... + 252842.

It is an arithmetic number, because the mean of its divisors is an integer number (21214704).

Almost surely, 2^144966857 is an apocalyptic number.

It is an amenable number.

144966857 is a deficient number, since it is larger than the sum of its proper divisors (24750775).

144966857 is an equidigital number, since it uses as much as digits as its factorization.

144966857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505159.

The product of its digits is 1451520, while the sum is 50.

The square root of 144966857 is about 12040.2183119742. The cubic root of 144966857 is about 525.3187566905.

The spelling of 144966857 in words is "one hundred forty-four million, nine hundred sixty-six thousand, eight hundred fifty-seven".