144521334 has 128 divisors (see below), whose sum is σ = 358963200. Its totient is φ = 43460064.

The previous prime is 144521327. The next prime is 144521339. The reversal of 144521334 is 433125441.

It is a happy number.

144521334 is a `hidden beast` number, since 1 + 445 + 213 + 3 + 4 = 666.

144521334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144521334² = 41772831962279112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144521298 and 144521307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144521339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3074899 + ... + 3074945.

It is an arithmetic number, because the mean of its divisors is an integer number (2804400).

Almost surely, 2^144521334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144521334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179481600).

144521334 is an abundant number, since it is smaller than the sum of its proper divisors (214441866).

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

144521334 is an equidigital number, since it uses as much as digits as its factorization.

144521334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 108 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144521334 is about 12021.7026248365. The cubic root of 144521334 is about 524.7800548071.

Adding to 144521334 its reverse (433125441), we get a palindrome (577646775).

The spelling of 144521334 in words is "one hundred forty-four million, five hundred twenty-one thousand, three hundred thirty-four".