144864827 has 4 divisors (see below), whose sum is σ = 145907160. Its totient is φ = 143822496.

The previous prime is 144864781. The next prime is 144864877. The reversal of 144864827 is 728468441.

144864827 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, and also an emirpimes, since its reverse is a distinct semiprime: 728468441 = 331 ⋅2200811.

It is a cyclic number.

It is not a de Polignac number, because 144864827 - 2²⁶ = 77755963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144864877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520958 + ... + 521235.

It is an arithmetic number, because the mean of its divisors is an integer number (36476790).

Almost surely, 2^144864827 is an apocalyptic number.

144864827 is a deficient number, since it is larger than the sum of its proper divisors (1042333).

144864827 is a wasteful number, since it uses less digits than its factorization.

144864827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042332.

The product of its digits is 344064, while the sum is 44.

The square root of 144864827 is about 12035.9805167672. The cubic root of 144864827 is about 525.1954851758.

The spelling of 144864827 in words is "one hundred forty-four million, eight hundred sixty-four thousand, eight hundred twenty-seven".