2044251445 has 16 divisors (see below), whose sum is σ = 2681192448. Its totient is φ = 1489547520.

The previous prime is 2044251437. The next prime is 2044251449. The reversal of 2044251445 is 5441524402.

It is not a de Polignac number, because 2044251445 - 2³ = 2044251437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044251449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385269 + ... + 390538.

It is an arithmetic number, because the mean of its divisors is an integer number (167574528).

Almost surely, 2^2044251445 is an apocalyptic number.

It is an amenable number.

2044251445 is a deficient number, since it is larger than the sum of its proper divisors (636941003).

2044251445 is a wasteful number, since it uses less digits than its factorization.

2044251445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775860.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 2044251445 is about 45213.3989542923. The cubic root of 2044251445 is about 1269.1455688767.

Adding to 2044251445 its reverse (5441524402), we get a palindrome (7485775847).

The spelling of 2044251445 in words is "two billion, forty-four million, two hundred fifty-one thousand, four hundred forty-five".