103018345 has 4 divisors (see below), whose sum is σ = 123622020. Its totient is φ = 82414672.

The previous prime is 103018339. The next prime is 103018367. The reversal of 103018345 is 543810301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543810301 = 587 ⋅926423.

It can be written as a sum of positive squares in 2 ways, for example, as 32592681 + 70425664 = 5709^2 + 8392^2 .

It is a cyclic number.

It is not a de Polignac number, because 103018345 - 2⁷ = 103018217 is a prime.

It is a super-2 number, since 2×103018345² = 21225558813078050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10301830 + ... + 10301839.

It is an arithmetic number, because the mean of its divisors is an integer number (30905505).

Almost surely, 2^103018345 is an apocalyptic number.

It is an amenable number.

103018345 is a deficient number, since it is larger than the sum of its proper divisors (20603675).

103018345 is an equidigital number, since it uses as much as digits as its factorization.

103018345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20603674.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 103018345 is about 10149.7953181333. The cubic root of 103018345 is about 468.7826425861.

Adding to 103018345 its reverse (543810301), we get a palindrome (646828646).

The spelling of 103018345 in words is "one hundred three million, eighteen thousand, three hundred forty-five".