144122400 has 216 divisors, whose sum is σ = 522911844. Its totient is φ = 37324800.

The previous prime is 144122359. The next prime is 144122411. The reversal of 144122400 is 4221441.

144122400 is a `hidden beast` number, since 1 + 441 + 224 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 76947984 + 67174416 = 8772^2 + 8196^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 266130 + ... + 266670.

Almost surely, 2^144122400 is an apocalyptic number.

144122400 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 144122400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261455922).

144122400 is an abundant number, since it is smaller than the sum of its proper divisors (378789444).

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

144122400 is a wasteful number, since it uses less digits than its factorization.

144122400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144122400 is about 12005.0989167103. The cubic root of 144122400 is about 524.2967454632.

Adding to 144122400 its reverse (4221441), we get a palindrome (148343841).

The spelling of 144122400 in words is "one hundred forty-four million, one hundred twenty-two thousand, four hundred".