103065945 has 16 divisors (see below), whose sum is σ = 165637440. Its totient is φ = 54724544.

The previous prime is 103065929. The next prime is 103065959. The reversal of 103065945 is 549560301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103065945 - 2⁴ = 103065929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11730 + ... + 18539.

It is an arithmetic number, because the mean of its divisors is an integer number (10352340).

It is a Poulet number, since it divides 2^103065944-1.

Almost surely, 2^103065945 is an apocalyptic number.

103065945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103065945 is a deficient number, since it is larger than the sum of its proper divisors (62571495).

103065945 is a wasteful number, since it uses less digits than its factorization.

103065945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30504.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 103065945 is about 10152.1399222036. The cubic root of 103065945 is about 468.8548323755.

The spelling of 103065945 in words is "one hundred three million, sixty-five thousand, nine hundred forty-five".