144278144 has 32 divisors (see below), whose sum is σ = 288002100. Its totient is φ = 71995392.

The previous prime is 144278129. The next prime is 144278159. The reversal of 144278144 is 441872441.

It is an interprime number because it is at equal distance from previous prime (144278129) and next prime (144278159).

It can be written as a sum of positive squares in 2 ways, for example, as 143041600 + 1236544 = 11960^2 + 1112^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96152 + ... + 97640.

Almost surely, 2^144278144 is an apocalyptic number.

It is an amenable number.

144278144 is a deficient number, since it is larger than the sum of its proper divisors (143723956).

144278144 is an equidigital number, since it uses as much as digits as its factorization.

144278144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2248 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 144278144 is about 12011.5837423714. The cubic root of 144278144 is about 524.4855356315.

The spelling of 144278144 in words is "one hundred forty-four million, two hundred seventy-eight thousand, one hundred forty-four".