2042403145 has 8 divisors (see below), whose sum is σ = 2517124104. Its totient is φ = 1589762304.

The previous prime is 2042403131. The next prime is 2042403149. The reversal of 2042403145 is 5413042402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69355584 + 1973047561 = 8328^2 + 44419^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2042403145 - 2⁷ = 2042403017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042403149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519824 + ... + 5520193.

It is an arithmetic number, because the mean of its divisors is an integer number (314640513).

Almost surely, 2^2042403145 is an apocalyptic number.

It is an amenable number.

2042403145 is a deficient number, since it is larger than the sum of its proper divisors (474720959).

2042403145 is a wasteful number, since it uses less digits than its factorization.

2042403145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040059.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2042403145 is about 45192.9545947153. The cubic root of 2042403145 is about 1268.7629562769.

Adding to 2042403145 its reverse (5413042402), we get a palindrome (7455445547).

The spelling of 2042403145 in words is "two billion, forty-two million, four hundred three thousand, one hundred forty-five".