2044354145 has 4 divisors (see below), whose sum is σ = 2453224980. Its totient is φ = 1635483312.

The previous prime is 2044354139. The next prime is 2044354157. The reversal of 2044354145 is 5414534402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1273347856 + 771006289 = 35684^2 + 27767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044354145 - 2²⁰ = 2043305569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204435410 + ... + 204435419.

It is an arithmetic number, because the mean of its divisors is an integer number (613306245).

Almost surely, 2^2044354145 is an apocalyptic number.

It is an amenable number.

2044354145 is a deficient number, since it is larger than the sum of its proper divisors (408870835).

2044354145 is an equidigital number, since it uses as much as digits as its factorization.

2044354145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408870834.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2044354145 is about 45214.5346653043. The cubic root of 2044354145 is about 1269.1668218179.

Adding to 2044354145 its reverse (5414534402), we get a palindrome (7458888547).

The spelling of 2044354145 in words is "two billion, forty-four million, three hundred fifty-four thousand, one hundred forty-five".