144115860 has 72 divisors (see below), whose sum is σ = 469415520. Its totient is φ = 32940096.

The previous prime is 144115837. The next prime is 144115879. The reversal of 144115860 is 68511441.

It is a super-2 number, since 2×144115860² = 41538762207079200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21570 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (6519660).

Almost surely, 2^144115860 is an apocalyptic number.

144115860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144115860 is an abundant number, since it is smaller than the sum of its proper divisors (325299660).

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

144115860 is a wasteful number, since it uses less digits than its factorization.

144115860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49045 (or 49036 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 144115860 is about 12004.8265293589. The cubic root of 144115860 is about 524.2888148140.

The spelling of 144115860 in words is "one hundred forty-four million, one hundred fifteen thousand, eight hundred sixty".