103612144 has 40 divisors (see below), whose sum is σ = 213923808. Its totient is φ = 48445440.

The previous prime is 103612139. The next prime is 103612151. The reversal of 103612144 is 441216301.

It is a super-3 number, since 3×103612144³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44284 + ... + 46564.

Almost surely, 2^103612144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103612144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106961904).

103612144 is an abundant number, since it is smaller than the sum of its proper divisors (110311664).

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

103612144 is a wasteful number, since it uses less digits than its factorization.

103612144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 103612144 is about 10179.0050594348. The cubic root of 103612144 is about 469.6816072053.

Adding to 103612144 its reverse (441216301), we get a palindrome (544828445).

The spelling of 103612144 in words is "one hundred three million, six hundred twelve thousand, one hundred forty-four".