2345045021 has 8 divisors (see below), whose sum is σ = 2600169888. Its totient is φ = 2096910000.

The previous prime is 2345044997. The next prime is 2345045047. The reversal of 2345045021 is 1205405432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345045021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345045051) 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, 1746755 + ... + 1748096.

It is an arithmetic number, because the mean of its divisors is an integer number (325021236).

Almost surely, 2^2345045021 is an apocalyptic number.

It is an amenable number.

2345045021 is a deficient number, since it is larger than the sum of its proper divisors (255124867).

2345045021 is a wasteful number, since it uses less digits than its factorization.

2345045021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494923.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2345045021 is about 48425.6648999268. The cubic root of 2345045021 is about 1328.5678180165.

The spelling of 2345045021 in words is "two billion, three hundred forty-five million, forty-five thousand, twenty-one".