2145323034 has 12 divisors (see below), whose sum is σ = 4648199946. Its totient is φ = 715107672.

The previous prime is 2145323027. The next prime is 2145323071. The reversal of 2145323034 is 4303235412.

It can be written as a sum of positive squares in only one way, i.e., 1735139025 + 410184009 = 41655^2 + 20253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2145322989 and 2145323007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59592289 + ... + 59592324.

Almost surely, 2^2145323034 is an apocalyptic number.

2145323034 is an abundant number, since it is smaller than the sum of its proper divisors (2502876912).

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

2145323034 is a wasteful number, since it uses less digits than its factorization.

2145323034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119184621 (or 119184618 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2145323034 is about 46317.6319990563. The cubic root of 2145323034 is about 1289.7263273782.

Adding to 2145323034 its reverse (4303235412), we get a palindrome (6448558446).

The spelling of 2145323034 in words is "two billion, one hundred forty-five million, three hundred twenty-three thousand, thirty-four".