4142357 has 4 divisors (see below), whose sum is σ = 4146636. Its totient is φ = 4138080.

The previous prime is 4142311. The next prime is 4142363. The reversal of 4142357 is 7532414.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7532414 = 2 ⋅3766207.

It can be written as a sum of positive squares in 2 ways, for example, as 2436721 + 1705636 = 1561^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142357 - 2⁶ = 4142293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (1036659).

Almost surely, 2^4142357 is an apocalyptic number.

It is an amenable number.

4142357 is a deficient number, since it is larger than the sum of its proper divisors (4279).

4142357 is a wasteful number, since it uses less digits than its factorization.

4142357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278.

The product of its digits is 3360, while the sum is 26.

The square root of 4142357 is about 2035.2781136739. The cubic root of 4142357 is about 160.6013438492.

The spelling of 4142357 in words is "four million, one hundred forty-two thousand, three hundred fifty-seven".