144123660 has 36 divisors (see below), whose sum is σ = 437175648. Its totient is φ = 38432928.

The previous prime is 144123653. The next prime is 144123691. The reversal of 144123660 is 66321441.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400164 + ... + 400523.

It is an arithmetic number, because the mean of its divisors is an integer number (12143768).

Almost surely, 2^144123660 is an apocalyptic number.

144123660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144123660 is an abundant number, since it is smaller than the sum of its proper divisors (293051988).

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

144123660 is a wasteful number, since it uses less digits than its factorization.

144123660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800702 (or 800697 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 144123660 is about 12005.1513942974. The cubic root of 144123660 is about 524.2982733589.

The spelling of 144123660 in words is "one hundred forty-four million, one hundred twenty-three thousand, six hundred sixty".