144320120 has 32 divisors (see below), whose sum is σ = 371109600. Its totient is φ = 49481088.

The previous prime is 144320117. The next prime is 144320161. The reversal of 144320120 is 21023441.

It is a congruent number.

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, 257435 + ... + 257994.

It is an arithmetic number, because the mean of its divisors is an integer number (11597175).

Almost surely, 2^144320120 is an apocalyptic number.

144320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144320120 is an abundant number, since it is smaller than the sum of its proper divisors (226789480).

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

144320120 is a wasteful number, since it uses less digits than its factorization.

144320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515447 (or 515443 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144320120 is about 12013.3309285976. The cubic root of 144320120 is about 524.5363949635.

Adding to 144320120 its reverse (21023441), we get a palindrome (165343561).

The spelling of 144320120 in words is "one hundred forty-four million, three hundred twenty thousand, one hundred twenty".