2145880803 has 8 divisors (see below), whose sum is σ = 3121281216. Its totient is φ = 1300533800.

The previous prime is 2145880787. The next prime is 2145880831. The reversal of 2145880803 is 3080885412.

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 2145880803 - 2⁴ = 2145880787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145880003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32513313 + ... + 32513378.

It is an arithmetic number, because the mean of its divisors is an integer number (390160152).

Almost surely, 2^2145880803 is an apocalyptic number.

2145880803 is a deficient number, since it is larger than the sum of its proper divisors (975400413).

2145880803 is a wasteful number, since it uses less digits than its factorization.

2145880803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65026705.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 2145880803 is about 46323.6527380991. The cubic root of 2145880803 is about 1289.8380909709.

The spelling of 2145880803 in words is "two billion, one hundred forty-five million, eight hundred eighty thousand, eight hundred three".