103553445 has 8 divisors (see below), whose sum is σ = 165685536. Its totient is φ = 55228496.

The previous prime is 103553407. The next prime is 103553447. The reversal of 103553445 is 544355301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103553445 - 2⁸ = 103553189 is a prime.

It is a super-3 number, since 3×103553445³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103553447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451767 + ... + 3451796.

It is an arithmetic number, because the mean of its divisors is an integer number (20710692).

Almost surely, 2^103553445 is an apocalyptic number.

103553445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103553445 is a deficient number, since it is larger than the sum of its proper divisors (62132091).

103553445 is an equidigital number, since it uses as much as digits as its factorization.

103553445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903571.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 103553445 is about 10176.1213141354. The cubic root of 103553445 is about 469.5928947965.

The spelling of 103553445 in words is "one hundred three million, five hundred fifty-three thousand, four hundred forty-five".