2045051242 has 16 divisors (see below), whose sum is σ = 3333856680. Its totient is φ = 935209152.

The previous prime is 2045051231. The next prime is 2045051243. The reversal of 2045051242 is 2421505402.

It can be written as a sum of positive squares in 4 ways, for example, as 957964401 + 1087086841 = 30951^2 + 32971^2 .

It is not an unprimeable number, because it can be changed into a prime (2045051243) 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, 357973 + ... + 363640.

Almost surely, 2^2045051242 is an apocalyptic number.

2045051242 is a deficient number, since it is larger than the sum of its proper divisors (1288805438).

2045051242 is a wasteful number, since it uses less digits than its factorization.

2045051242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721737.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2045051242 is about 45222.2427794111. The cubic root of 2045051242 is about 1269.3110616413.

Adding to 2045051242 its reverse (2421505402), we get a palindrome (4466556644).

The spelling of 2045051242 in words is "two billion, forty-five million, fifty-one thousand, two hundred forty-two".