2142306046 has 4 divisors (see below), whose sum is σ = 3213459072. Its totient is φ = 1071153022.

The previous prime is 2142306041. The next prime is 2142306059. The reversal of 2142306046 is 6406032412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142306041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535576510 + ... + 535576513.

It is an arithmetic number, because the mean of its divisors is an integer number (803364768).

Almost surely, 2^2142306046 is an apocalyptic number.

2142306046 is a deficient number, since it is larger than the sum of its proper divisors (1071153026).

2142306046 is a wasteful number, since it uses less digits than its factorization.

2142306046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071153025.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2142306046 is about 46285.0520794781. The cubic root of 2142306046 is about 1289.1214589827.

Adding to 2142306046 its reverse (6406032412), we get a palindrome (8548338458).

The spelling of 2142306046 in words is "two billion, one hundred forty-two million, three hundred six thousand, forty-six".