2045131042 has 24 divisors (see below), whose sum is σ = 3314052720. Its totient is φ = 946086720.

The previous prime is 2045131037. The next prime is 2045131051. The reversal of 2045131042 is 2401315402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4117 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (138085530).

Almost surely, 2^2045131042 is an apocalyptic number.

2045131042 is a deficient number, since it is larger than the sum of its proper divisors (1268921678).

2045131042 is a wasteful number, since it uses less digits than its factorization.

2045131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60066 (or 60049 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2045131042 is about 45223.1250799854. The cubic root of 2045131042 is about 1269.3275713670.

Adding to 2045131042 its reverse (2401315402), we get a palindrome (4446446444).

The spelling of 2045131042 in words is "two billion, forty-five million, one hundred thirty-one thousand, forty-two".