103422144 has 84 divisors (see below), whose sum is σ = 318342264. Its totient is φ = 29546496.

The previous prime is 103422127. The next prime is 103422167. The reversal of 103422144 is 441224301.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×103422144² = 21392279739113472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 103422144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3912 + ... + 14904.

Almost surely, 2^103422144 is an apocalyptic number.

103422144 is a gapful number since it is divisible by the number (14) 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 103422144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159171132).

103422144 is an abundant number, since it is smaller than the sum of its proper divisors (214920120).

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

103422144 is a wasteful number, since it uses less digits than its factorization.

103422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022 (or 11005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 103422144 is about 10169.6678411834. The cubic root of 103422144 is about 469.3943367962.

Adding to 103422144 its reverse (441224301), we get a palindrome (544646445).

The spelling of 103422144 in words is "one hundred three million, four hundred twenty-two thousand, one hundred forty-four".