103661045 has 8 divisors (see below), whose sum is σ = 124753824. Its totient is φ = 82688464.

The previous prime is 103661011. The next prime is 103661101. The reversal of 103661045 is 540166301.

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 103661045 - 2⁶ = 103660981 is a prime.

It is a super-2 number, since 2×103661045² = 21491224500984050, which contains 22 as substring.

It is a Duffinian number.

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, 28139 + ... + 31608.

It is an arithmetic number, because the mean of its divisors is an integer number (15594228).

Almost surely, 2^103661045 is an apocalyptic number.

It is an amenable number.

103661045 is a deficient number, since it is larger than the sum of its proper divisors (21092779).

103661045 is an equidigital number, since it uses as much as digits as its factorization.

103661045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60099.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 103661045 is about 10181.4068281353. The cubic root of 103661045 is about 469.7554862154.

It can be divided in two parts, 10366 and 1045, that added together give a palindrome (11411).

The spelling of 103661045 in words is "one hundred three million, six hundred sixty-one thousand, forty-five".