144134452 has 48 divisors (see below), whose sum is σ = 321818112. Its totient is φ = 54845280.

The previous prime is 144134443. The next prime is 144134467. The reversal of 144134452 is 254431441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 144134452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7803 + ... + 18685.

It is an arithmetic number, because the mean of its divisors is an integer number (6704544).

Almost surely, 2^144134452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144134452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160909056).

144134452 is an abundant number, since it is smaller than the sum of its proper divisors (177683660).

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

144134452 is a wasteful number, since it uses less digits than its factorization.

144134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948 (or 10946 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 144134452 is about 12005.6008595988. The cubic root of 144134452 is about 524.3113595418.

Adding to 144134452 its reverse (254431441), we get a palindrome (398565893).

The spelling of 144134452 in words is "one hundred forty-four million, one hundred thirty-four thousand, four hundred fifty-two".