144292660 has 12 divisors (see below), whose sum is σ = 303014628. Its totient is φ = 57717056.

The previous prime is 144292619. The next prime is 144292667. The reversal of 144292660 is 66292441.

144292660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22543504 + 121749156 = 4748^2 + 11034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144292667) 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, 3607297 + ... + 3607336.

It is an arithmetic number, because the mean of its divisors is an integer number (25251219).

Almost surely, 2^144292660 is an apocalyptic number.

144292660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144292660 is an abundant number, since it is smaller than the sum of its proper divisors (158721968).

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

144292660 is a wasteful number, since it uses less digits than its factorization.

144292660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214642 (or 7214640 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 144292660 is about 12012.1879772171. The cubic root of 144292660 is about 524.5031247514.

The spelling of 144292660 in words is "one hundred forty-four million, two hundred ninety-two thousand, six hundred sixty".