103555444 has 6 divisors (see below), whose sum is σ = 181222034. Its totient is φ = 51777720.

The previous prime is 103555427. The next prime is 103555451. The reversal of 103555444 is 444555301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 42902500 = 7788^2 + 6550^2 .

It is a super-3 number, since 3×103555444³ (a number of 25 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 12944427 + ... + 12944434.

Almost surely, 2^103555444 is an apocalyptic number.

It is an amenable number.

103555444 is a deficient number, since it is larger than the sum of its proper divisors (77666590).

103555444 is a wasteful number, since it uses less digits than its factorization.

103555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25888865 (or 25888863 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 103555444 is about 10176.2195337954. The cubic root of 103555444 is about 469.5959164573.

The spelling of 103555444 in words is "one hundred three million, five hundred fifty-five thousand, four hundred forty-four".