144460746 has 80 divisors (see below), whose sum is σ = 341440704. Its totient is φ = 45562176.

The previous prime is 144460741. The next prime is 144460759. The reversal of 144460746 is 647064441.

144460746 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 607 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 144460746.

It is not an unprimeable number, because it can be changed into a prime (144460741) 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 39 ways as a sum of consecutive naturals, for example, 510321 + ... + 510603.

Almost surely, 2^144460746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144460746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170720352).

144460746 is an abundant number, since it is smaller than the sum of its proper divisors (196979958).

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

144460746 is a wasteful number, since it uses less digits than its factorization.

144460746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 144460746 is about 12019.1824181181. The cubic root of 144460746 is about 524.7067096538.

The spelling of 144460746 in words is "one hundred forty-four million, four hundred sixty thousand, seven hundred forty-six".