2145142034 has 32 divisors (see below), whose sum is σ = 3757674240. Its totient is φ = 899376192.

The previous prime is 2145141979. The next prime is 2145142039. The reversal of 2145142034 is 4302415412.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145141994 and 2145142012.

It is not an unprimeable number, because it can be changed into a prime (2145142039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262352 + ... + 270404.

It is an arithmetic number, because the mean of its divisors is an integer number (117427320).

Almost surely, 2^2145142034 is an apocalyptic number.

2145142034 is a deficient number, since it is larger than the sum of its proper divisors (1612532206).

2145142034 is a wasteful number, since it uses less digits than its factorization.

2145142034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2145142034 is about 46315.6780582990. The cubic root of 2145142034 is about 1289.6900551359.

Adding to 2145142034 its reverse (4302415412), we get a palindrome (6447557446).

The spelling of 2145142034 in words is "two billion, one hundred forty-five million, one hundred forty-two thousand, thirty-four".