144888427 has 4 divisors (see below), whose sum is σ = 144942336. Its totient is φ = 144834520.

The previous prime is 144888407. The next prime is 144888463. The reversal of 144888427 is 724888441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144888427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144888407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22699 + ... + 28372.

It is an arithmetic number, because the mean of its divisors is an integer number (36235584).

Almost surely, 2^144888427 is an apocalyptic number.

144888427 is a deficient number, since it is larger than the sum of its proper divisors (53909).

144888427 is an equidigital number, since it uses as much as digits as its factorization.

144888427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53908.

The product of its digits is 458752, while the sum is 46.

The square root of 144888427 is about 12036.9608705852. The cubic root of 144888427 is about 525.2240035786.

The spelling of 144888427 in words is "one hundred forty-four million, eight hundred eighty-eight thousand, four hundred twenty-seven".