2145061303 has 16 divisors (see below), whose sum is σ = 2682936576. Its totient is φ = 1666117440.

The previous prime is 2145061291. The next prime is 2145061319. The reversal of 2145061303 is 3031605412.

It is a cyclic number.

It is not a de Polignac number, because 2145061303 - 2¹³ = 2145053111 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 (2145061703) 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, 20401 + ... + 68602.

It is an arithmetic number, because the mean of its divisors is an integer number (167683536).

Almost surely, 2^2145061303 is an apocalyptic number.

2145061303 is a deficient number, since it is larger than the sum of its proper divisors (537875273).

2145061303 is a wasteful number, since it uses less digits than its factorization.

2145061303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89334.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2145061303 is about 46314.8065201616. The cubic root of 2145061303 is about 1289.6738760559.

Adding to 2145061303 its reverse (3031605412), we get a palindrome (5176666715).

The spelling of 2145061303 in words is "two billion, one hundred forty-five million, sixty-one thousand, three hundred three".