10143557 has 4 divisors (see below), whose sum is σ = 10286496. Its totient is φ = 10000620.

The previous prime is 10143547. The next prime is 10143559. The reversal of 10143557 is 75534101.

10143557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10143557 - 2¹⁸ = 9881413 is a prime.

It is a super-2 number, since 2×10143557² = 205783497224498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71363 + ... + 71504.

It is an arithmetic number, because the mean of its divisors is an integer number (2571624).

Almost surely, 2^10143557 is an apocalyptic number.

It is an amenable number.

10143557 is a deficient number, since it is larger than the sum of its proper divisors (142939).

10143557 is an equidigital number, since it uses as much as digits as its factorization.

10143557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142938.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 10143557 is about 3184.8951317116. The cubic root of 10143557 is about 216.4695219218.

Adding to 10143557 its reverse (75534101), we get a palindrome (85677658).

The spelling of 10143557 in words is "ten million, one hundred forty-three thousand, five hundred fifty-seven".