144782427 has 6 divisors (see below), whose sum is σ = 193071028. Its totient is φ = 96507724.

The previous prime is 144782383. The next prime is 144782453. The reversal of 144782427 is 724287441.

It is a happy number.

It is not a de Polignac number, because 144782427 - 2¹¹ = 144780379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144782227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17368 + ... + 24314.

Almost surely, 2^144782427 is an apocalyptic number.

144782427 is a deficient number, since it is larger than the sum of its proper divisors (48288601).

144782427 is an frugal number, since it uses more digits than its factorization.

144782427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897 (or 6950 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 144782427 is about 12032.5569601810. The cubic root of 144782427 is about 525.0958881545.

The spelling of 144782427 in words is "one hundred forty-four million, seven hundred eighty-two thousand, four hundred twenty-seven".