4257142 has 12 divisors (see below), whose sum is σ = 6616116. Its totient is φ = 2054360.

The previous prime is 4257133. The next prime is 4257161. The reversal of 4257142 is 2417524.

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, 417 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (551343).

Almost surely, 2^4257142 is an apocalyptic number.

4257142 is a deficient number, since it is larger than the sum of its proper divisors (2358974).

4257142 is a wasteful number, since it uses less digits than its factorization.

4257142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2562 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 4257142 is about 2063.2842751303. The cubic root of 4257142 is about 162.0712738249.

The spelling of 4257142 in words is "four million, two hundred fifty-seven thousand, one hundred forty-two".