144335628 has 96 divisors (see below), whose sum is σ = 406784000. Its totient is φ = 44089920.

The previous prime is 144335573. The next prime is 144335641. The reversal of 144335628 is 826533441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144335592 and 144335601.

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 31 ways as a sum of consecutive naturals, for example, 62478 + ... + 64746.

Almost surely, 2^144335628 is an apocalyptic number.

144335628 is a gapful number since it is divisible by the number (18) 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 144335628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203392000).

144335628 is an abundant number, since it is smaller than the sum of its proper divisors (262448372).

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

144335628 is a wasteful number, since it uses less digits than its factorization.

144335628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2324 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 144335628 is about 12013.9763608890. The cubic root of 144335628 is about 524.5551824088. Note that the first 3 decimals are identical.

The spelling of 144335628 in words is "one hundred forty-four million, three hundred thirty-five thousand, six hundred twenty-eight".