2045143120 has 40 divisors (see below), whose sum is σ = 4757704416. Its totient is φ = 817584768.

The previous prime is 2045143117. The next prime is 2045143127. The reversal of 2045143120 is 213415402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2045143120² = 8365220762566668800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2045143091 and 2045143100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045143127) 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, 153859 + ... + 166621.

Almost surely, 2^2045143120 is an apocalyptic number.

2045143120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045143120 is an abundant number, since it is smaller than the sum of its proper divisors (2712561296).

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

2045143120 is a wasteful number, since it uses less digits than its factorization.

2045143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779 (or 14773 counting only the distinct ones).

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

The square root of 2045143120 is about 45223.2586176627. The cubic root of 2045143120 is about 1269.3300701324.

Adding to 2045143120 its reverse (213415402), we get a palindrome (2258558522).

The spelling of 2045143120 in words is "two billion, forty-five million, one hundred forty-three thousand, one hundred twenty".