144278425 has 12 divisors (see below), whose sum is σ = 186684480. Its totient is φ = 110403920.

The previous prime is 144278417. The next prime is 144278443. The reversal of 144278425 is 524872441.

It is not a de Polignac number, because 144278425 - 2³ = 144278417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124885 + ... + 126034.

It is an arithmetic number, because the mean of its divisors is an integer number (15557040).

Almost surely, 2^144278425 is an apocalyptic number.

It is an amenable number.

144278425 is a deficient number, since it is larger than the sum of its proper divisors (42406055).

144278425 is a wasteful number, since it uses less digits than its factorization.

144278425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250952 (or 250947 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 144278425 is about 12011.5954394077. The cubic root of 144278425 is about 524.4858761320.

The spelling of 144278425 in words is "one hundred forty-four million, two hundred seventy-eight thousand, four hundred twenty-five".