144766464 has 60 divisors (see below), whose sum is σ = 386927244. Its totient is φ = 48098304.

The previous prime is 144766381. The next prime is 144766469. The reversal of 144766464 is 464667441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144766469) 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, 471399 + ... + 471705.

Almost surely, 2^144766464 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 144766464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193463622).

144766464 is an abundant number, since it is smaller than the sum of its proper divisors (242160780).

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

144766464 is an frugal number, since it uses more digits than its factorization.

144766464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 312 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 144766464 is about 12031.8936165510. The cubic root of 144766464 is about 525.0765892798.

The spelling of 144766464 in words is "one hundred forty-four million, seven hundred sixty-six thousand, four hundred sixty-four".