144264464 has 40 divisors (see below), whose sum is σ = 292725312. Its totient is φ = 68745600.

The previous prime is 144264457. The next prime is 144264521. The reversal of 144264464 is 464462441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136739 + ... + 137789.

Almost surely, 2^144264464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144264464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146362656).

144264464 is an abundant number, since it is smaller than the sum of its proper divisors (148460848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144264464 is a wasteful number, since it uses less digits than its factorization.

144264464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

The square root of 144264464 is about 12011.0142785695. The cubic root of 144264464 is about 524.4689584177.

The spelling of 144264464 in words is "one hundred forty-four million, two hundred sixty-four thousand, four hundred sixty-four".