10557142 has 4 divisors (see below), whose sum is σ = 15835716. Its totient is φ = 5278570.

The previous prime is 10557139. The next prime is 10557163. The reversal of 10557142 is 24175501.

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

It is a super-2 number, since 2×10557142² = 222906494416328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639284 + ... + 2639287.

It is an arithmetic number, because the mean of its divisors is an integer number (3958929).

Almost surely, 2^10557142 is an apocalyptic number.

10557142 is a deficient number, since it is larger than the sum of its proper divisors (5278574).

10557142 is an equidigital number, since it uses as much as digits as its factorization.

10557142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278573.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 10557142 is about 3249.1755877453. The cubic root of 10557142 is about 219.3724679161.

The spelling of 10557142 in words is "ten million, five hundred fifty-seven thousand, one hundred forty-two".