2442040145 has 16 divisors (see below), whose sum is σ = 3059002128. Its totient is φ = 1869661440.

The previous prime is 2442040141. The next prime is 2442040169. The reversal of 2442040145 is 5410402442.

It can be written as a sum of positive squares in 8 ways, for example, as 256 + 2442039889 = 16^2 + 49417^2 .

It is not a de Polignac number, because 2442040145 - 2² = 2442040141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442040141) 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, 96914 + ... + 119483.

It is an arithmetic number, because the mean of its divisors is an integer number (191187633).

Almost surely, 2^2442040145 is an apocalyptic number.

It is an amenable number.

2442040145 is a deficient number, since it is larger than the sum of its proper divisors (616961983).

2442040145 is a wasteful number, since it uses less digits than its factorization.

2442040145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216500.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2442040145 is about 49417.0025902017. The cubic root of 2442040145 is about 1346.6382096708.

Adding to 2442040145 its reverse (5410402442), we get a palindrome (7852442587).

The spelling of 2442040145 in words is "two billion, four hundred forty-two million, forty thousand, one hundred forty-five".