144120400 has 60 divisors (see below), whose sum is σ = 347405344. Its totient is φ = 57456000.

The previous prime is 144120367. The next prime is 144120413. The reversal of 144120400 is 4021441.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228085 + ... + 228715.

Almost surely, 2^144120400 is an apocalyptic number.

144120400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144120400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173702672).

144120400 is an abundant number, since it is smaller than the sum of its proper divisors (203284944).

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

144120400 is a wasteful number, since it uses less digits than its factorization.

144120400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 144120400 is about 12005.0156184821. The cubic root of 144120400 is about 524.2943202137.

Adding to 144120400 its reverse (4021441), we get a palindrome (148141841).

The spelling of 144120400 in words is "one hundred forty-four million, one hundred twenty thousand, four hundred".