2145234120 has 32 divisors (see below), whose sum is σ = 6435702720. Its totient is φ = 572062400.

The previous prime is 2145234101. The next prime is 2145234167. The reversal of 2145234120 is 214325412.

It is a super-2 number, since 2×2145234120² = 9204058859224348800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8938356 + ... + 8938595.

It is an arithmetic number, because the mean of its divisors is an integer number (201115710).

Almost surely, 2^2145234120 is an apocalyptic number.

2145234120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145234120 is an abundant number, since it is smaller than the sum of its proper divisors (4290468600).

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

2145234120 is a wasteful number, since it uses less digits than its factorization.

2145234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876965 (or 17876961 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2145234120 is about 46316.6721602492. The cubic root of 2145234120 is about 1289.7085093450.

Adding to 2145234120 its reverse (214325412), we get a palindrome (2359559532).

The spelling of 2145234120 in words is "two billion, one hundred forty-five million, two hundred thirty-four thousand, one hundred twenty".