4052142 has 12 divisors (see below), whose sum is σ = 8779680. Its totient is φ = 1350708.

The previous prime is 4052107. The next prime is 4052173. The reversal of 4052142 is 2412504.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 225119 = 4052142 / (4 + 0 + 5 + 2 + 1 + 4 + 2).

It is a nialpdrome in base 9.

It is a congruent number.

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, 112542 + ... + 112577.

It is an arithmetic number, because the mean of its divisors is an integer number (731640).

Almost surely, 2^4052142 is an apocalyptic number.

4052142 is an abundant number, since it is smaller than the sum of its proper divisors (4727538).

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

4052142 is a wasteful number, since it uses less digits than its factorization.

4052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225127 (or 225124 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4052142 is about 2012.9932935805. The cubic root of 4052142 is about 159.4268818402.

Adding to 4052142 its reverse (2412504), we get a palindrome (6464646).

The spelling of 4052142 in words is "four million, fifty-two thousand, one hundred forty-two".