144220325452340 has 96 divisors (see below), whose sum is σ = 337566706485120. Its totient is φ = 51435452583936.

The previous prime is 144220325452303. The next prime is 144220325452369. The reversal of 144220325452340 is 43254523022441.

It is a super-2 number, since 2×144220325452340² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211825904 + ... + 212505656.

It is an arithmetic number, because the mean of its divisors is an integer number (3516319859220).

Almost surely, 2^{144220325452340} is an apocalyptic number.

144220325452340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144220325452340 is an abundant number, since it is smaller than the sum of its proper divisors (193346381032780).

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

144220325452340 is a wasteful number, since it uses less digits than its factorization.

144220325452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712641 (or 712639 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 144220325452340 its reverse (43254523022441), we get a palindrome (187474848474781).

The spelling of 144220325452340 in words is "one hundred forty-four trillion, two hundred twenty billion, three hundred twenty-five million, four hundred fifty-two thousand, three hundred forty".