144213400 has 96 divisors (see below), whose sum is σ = 352321200. Its totient is φ = 54835200.

The previous prime is 144213367. The next prime is 144213451. The reversal of 144213400 is 4312441.

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, 352396 + ... + 352804.

Almost surely, 2^144213400 is an apocalyptic number.

144213400 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 144213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176160600).

144213400 is an abundant number, since it is smaller than the sum of its proper divisors (208107800).

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

144213400 is a wasteful number, since it uses less digits than its factorization.

144213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144213400 is about 12008.8883748663. Note that the first 3 decimals coincide. The cubic root of 144213400 is about 524.4070705888.

Adding to 144213400 its reverse (4312441), we get a palindrome (148525841).

The spelling of 144213400 in words is "one hundred forty-four million, two hundred thirteen thousand, four hundred".