2145559103 has 16 divisors (see below), whose sum is σ = 2297665440. Its totient is φ = 1996455936.

The previous prime is 2145559093. The next prime is 2145559109. The reversal of 2145559103 is 3019555412.

It is a cyclic number.

It is not a de Polignac number, because 2145559103 - 2⁸ = 2145558847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145559109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605525 + ... + 609057.

It is an arithmetic number, because the mean of its divisors is an integer number (143604090).

Almost surely, 2^2145559103 is an apocalyptic number.

2145559103 is a deficient number, since it is larger than the sum of its proper divisors (152106337).

2145559103 is a wasteful number, since it uses less digits than its factorization.

2145559103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 2145559103 is about 46320.1802997354. The cubic root of 2145559103 is about 1289.7736323346.

The spelling of 2145559103 in words is "two billion, one hundred forty-five million, five hundred fifty-nine thousand, one hundred three".