144475818 has 8 divisors (see below), whose sum is σ = 288951648. Its totient is φ = 48158604.

The previous prime is 144475817. The next prime is 144475819. The reversal of 144475818 is 818574441.

It is an interprime number because it is at equal distance from previous prime (144475817) and next prime (144475819).

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

144475818 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 144475818.

It is not an unprimeable number, because it can be changed into a prime (144475813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12039646 + ... + 12039657.

It is an arithmetic number, because the mean of its divisors is an integer number (36118956).

Almost surely, 2^144475818 is an apocalyptic number.

144475818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144475818 is a wasteful number, since it uses less digits than its factorization.

144475818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24079308.

The product of its digits is 143360, while the sum is 42.

The square root of 144475818 is about 12019.8093994872. The cubic root of 144475818 is about 524.7249570663.

The spelling of 144475818 in words is "one hundred forty-four million, four hundred seventy-five thousand, eight hundred eighteen".