144036420 has 96 divisors (see below), whose sum is σ = 442350720. Its totient is φ = 34728960.

The previous prime is 144036401. The next prime is 144036439. The reversal of 144036420 is 24630441.

It is an interprime number because it is at equal distance from previous prime (144036401) and next prime (144036439).

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, 150664 + ... + 151616.

It is an arithmetic number, because the mean of its divisors is an integer number (4607820).

Almost surely, 2^144036420 is an apocalyptic number.

144036420 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 144036420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221175360).

144036420 is an abundant number, since it is smaller than the sum of its proper divisors (298314300).

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

144036420 is a wasteful number, since it uses less digits than its factorization.

144036420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144036420 is about 12001.5174040619. The cubic root of 144036420 is about 524.1924637288.

Adding to 144036420 its reverse (24630441), we get a palindrome (168666861).

The spelling of 144036420 in words is "one hundred forty-four million, thirty-six thousand, four hundred twenty".