103551545 has 4 divisors (see below), whose sum is σ = 124261860. Its totient is φ = 82841232.

The previous prime is 103551533. The next prime is 103551551. The reversal of 103551545 is 545155301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545155301 = 167 ⋅3264403.

It can be written as a sum of positive squares in 2 ways, for example, as 52113961 + 51437584 = 7219^2 + 7172^2 .

It is a cyclic number.

It is not a de Polignac number, because 103551545 - 2⁴ = 103551529 is a prime.

It is a super-3 number, since 3×103551545³ (a number of 25 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 10355150 + ... + 10355159.

It is an arithmetic number, because the mean of its divisors is an integer number (31065465).

Almost surely, 2^103551545 is an apocalyptic number.

It is an amenable number.

103551545 is a deficient number, since it is larger than the sum of its proper divisors (20710315).

103551545 is an equidigital number, since it uses as much as digits as its factorization.

103551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710314.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 103551545 is about 10176.0279579018. The cubic root of 103551545 is about 469.5900227467.

The spelling of 103551545 in words is "one hundred three million, five hundred fifty-one thousand, five hundred forty-five".