2045450142 has 24 divisors (see below), whose sum is σ = 4447591200. Its totient is φ = 679388640.

The previous prime is 2045450119. The next prime is 2045450171. The reversal of 2045450142 is 2410545402.

2045450142 is a `hidden beast` number, since 20 + 454 + 50 + 142 = 666.

It is a congruent number.

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, 197142 + ... + 207257.

It is an arithmetic number, because the mean of its divisors is an integer number (185316300).

Almost surely, 2^2045450142 is an apocalyptic number.

2045450142 is an abundant number, since it is smaller than the sum of its proper divisors (2402141058).

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

2045450142 is a wasteful number, since it uses less digits than its factorization.

2045450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404688 (or 404685 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2045450142 is about 45226.6530046166. The cubic root of 2045450142 is about 1269.3935852891.

Adding to 2045450142 its reverse (2410545402), we get a palindrome (4455995544).

The spelling of 2045450142 in words is "two billion, forty-five million, four hundred fifty thousand, one hundred forty-two".