2142302452 has 6 divisors (see below), whose sum is σ = 3749029298. Its totient is φ = 1071151224.

The previous prime is 2142302431. The next prime is 2142302467. The reversal of 2142302452 is 2542032412.

It can be written as a sum of positive squares in only one way, i.e., 1660236516 + 482065936 = 40746^2 + 21956^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267787803 + ... + 267787810.

Almost surely, 2^2142302452 is an apocalyptic number.

It is an amenable number.

2142302452 is a deficient number, since it is larger than the sum of its proper divisors (1606726846).

2142302452 is a wasteful number, since it uses less digits than its factorization.

2142302452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535575617 (or 535575615 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142302452 is about 46285.0132548323. The cubic root of 2142302452 is about 1289.1207380921.

Adding to 2142302452 its reverse (2542032412), we get a palindrome (4684334864).

The spelling of 2142302452 in words is "two billion, one hundred forty-two million, three hundred two thousand, four hundred fifty-two".