2045011242 has 16 divisors (see below), whose sum is σ = 4108366080. Its totient is φ = 678613152.

The previous prime is 2045011237. The next prime is 2045011247. The reversal of 2045011242 is 2421105402.

It is an interprime number because it is at equal distance from previous prime (2045011237) and next prime (2045011247).

It is not an unprimeable number, because it can be changed into a prime (2045011247) 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, 762867 + ... + 765542.

It is an arithmetic number, because the mean of its divisors is an integer number (256772880).

Almost surely, 2^2045011242 is an apocalyptic number.

2045011242 is an abundant number, since it is smaller than the sum of its proper divisors (2063354838).

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

2045011242 is a wasteful number, since it uses less digits than its factorization.

2045011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528637.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2045011242 is about 45221.8005170073. The cubic root of 2045011242 is about 1269.3027859279.

Adding to 2045011242 its reverse (2421105402), we get a palindrome (4466116644).

It can be divided in two parts, 2045011 and 242, that added together give a triangular number (2045253 = T₂₀₂₂).

The spelling of 2045011242 in words is "two billion, forty-five million, eleven thousand, two hundred forty-two".