144352040 has 96 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 48408192.

The previous prime is 144352031. The next prime is 144352057. The reversal of 144352040 is 40253441.

It is a super-2 number, since 2×144352040² = 41675022904323200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144351997 and 144352015.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 91337 + ... + 92903.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^144352040 is an apocalyptic number.

144352040 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 144352040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193052160).

144352040 is an abundant number, since it is smaller than the sum of its proper divisors (241752280).

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

144352040 is a wasteful number, since it uses less digits than its factorization.

144352040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144352040 is about 12014.6593792750. The cubic root of 144352040 is about 524.5750635555.

The spelling of 144352040 in words is "one hundred forty-four million, three hundred fifty-two thousand, forty".