144038660 has 24 divisors (see below), whose sum is σ = 302714496. Its totient is φ = 57571040.

The previous prime is 144038641. The next prime is 144038689. The reversal of 144038660 is 66830441.

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, 39515 + ... + 43005.

It is an arithmetic number, because the mean of its divisors is an integer number (12613104).

Almost surely, 2^144038660 is an apocalyptic number.

144038660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144038660 is an abundant number, since it is smaller than the sum of its proper divisors (158675836).

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

144038660 is a wasteful number, since it uses less digits than its factorization.

144038660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563 (or 5561 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 144038660 is about 12001.6107252318. The cubic root of 144038660 is about 524.1951810624.

The spelling of 144038660 in words is "one hundred forty-four million, thirty-eight thousand, six hundred sixty".