2145605006 has 8 divisors (see below), whose sum is σ = 3224732040. Its totient is φ = 1070694328.

The previous prime is 2145604999. The next prime is 2145605009. The reversal of 2145605006 is 6005065412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2145605006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145605009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052816 + ... + 1054851.

It is an arithmetic number, because the mean of its divisors is an integer number (403091505).

Almost surely, 2^2145605006 is an apocalyptic number.

2145605006 is a deficient number, since it is larger than the sum of its proper divisors (1079127034).

2145605006 is a wasteful number, since it uses less digits than its factorization.

2145605006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108178.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2145605006 is about 46320.6757938612. The cubic root of 2145605006 is about 1289.7828302567.

The spelling of 2145605006 in words is "two billion, one hundred forty-five million, six hundred five thousand, six".