2045254242 has 16 divisors (see below), whose sum is σ = 4131009792. Its totient is φ = 675001200.

The previous prime is 2045254157. The next prime is 2045254249. The reversal of 2045254242 is 2424525402.

It is not an unprimeable number, because it can be changed into a prime (2045254249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686898 + ... + 1688109.

It is an arithmetic number, because the mean of its divisors is an integer number (258188112).

Almost surely, 2^2045254242 is an apocalyptic number.

2045254242 is an abundant number, since it is smaller than the sum of its proper divisors (2085755550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045254242 is a wasteful number, since it uses less digits than its factorization.

2045254242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375113.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2045254242 is about 45224.4871944393. The cubic root of 2045254242 is about 1269.3530592230.

Adding to 2045254242 its reverse (2424525402), we get a palindrome (4469779644).

The spelling of 2045254242 in words is "two billion, forty-five million, two hundred fifty-four thousand, two hundred forty-two".