2045355405 has 8 divisors (see below), whose sum is σ = 3272568672. Its totient is φ = 1090856208.

The previous prime is 2045355401. The next prime is 2045355409. The reversal of 2045355405 is 5045535402.

It is an interprime number because it is at equal distance from previous prime (2045355401) and next prime (2045355409).

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

It is not a de Polignac number, because 2045355405 - 2² = 2045355401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045355401) 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, 68178499 + ... + 68178528.

It is an arithmetic number, because the mean of its divisors is an integer number (409071084).

Almost surely, 2^2045355405 is an apocalyptic number.

It is an amenable number.

2045355405 is a deficient number, since it is larger than the sum of its proper divisors (1227213267).

2045355405 is a wasteful number, since it uses less digits than its factorization.

2045355405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136357035.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 2045355405 is about 45225.6056344191. The cubic root of 2045355405 is about 1269.3739872563.

The spelling of 2045355405 in words is "two billion, forty-five million, three hundred fifty-five thousand, four hundred five".