144275818 has 4 divisors (see below), whose sum is σ = 216413730. Its totient is φ = 72137908.

The previous prime is 144275777. The next prime is 144275863. The reversal of 144275818 is 818572441.

144275818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123143409 + 21132409 = 11097^2 + 4597^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36068953 + ... + 36068956.

Almost surely, 2^144275818 is an apocalyptic number.

144275818 is a deficient number, since it is larger than the sum of its proper divisors (72137912).

144275818 is an equidigital number, since it uses as much as digits as its factorization.

144275818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72137911.

The product of its digits is 71680, while the sum is 40.

The square root of 144275818 is about 12011.4869187790. The cubic root of 144275818 is about 524.4827170943.

The spelling of 144275818 in words is "one hundred forty-four million, two hundred seventy-five thousand, eight hundred eighteen".