2045427371 has 4 divisors (see below), whose sum is σ = 2202767952. Its totient is φ = 1888086792.

The previous prime is 2045427359. The next prime is 2045427469. The reversal of 2045427371 is 1737245402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045427371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045427341) 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, 78670271 + ... + 78670296.

It is an arithmetic number, because the mean of its divisors is an integer number (550691988).

Almost surely, 2^2045427371 is an apocalyptic number.

2045427371 is a deficient number, since it is larger than the sum of its proper divisors (157340581).

2045427371 is a wasteful number, since it uses less digits than its factorization.

2045427371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157340580.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2045427371 is about 45226.4012607680. The cubic root of 2045427371 is about 1269.3888747581.

The spelling of 2045427371 in words is "two billion, forty-five million, four hundred twenty-seven thousand, three hundred seventy-one".