10243157 has 4 divisors (see below), whose sum is σ = 10302540. Its totient is φ = 10183776.

The previous prime is 10243097. The next prime is 10243171. The reversal of 10243157 is 75134201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75134201 = 43 ⋅1747307.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 2436721 = 2794^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 10243157 - 2¹⁴ = 10226773 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 (10243357) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 29432 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (2575635).

Almost surely, 2^10243157 is an apocalyptic number.

It is an amenable number.

10243157 is a deficient number, since it is larger than the sum of its proper divisors (59383).

10243157 is an equidigital number, since it uses as much as digits as its factorization.

10243157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59382.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 10243157 is about 3200.4932432361. The cubic root of 10243157 is about 217.1757232232.

Adding to 10243157 its reverse (75134201), we get a palindrome (85377358).

The spelling of 10243157 in words is "ten million, two hundred forty-three thousand, one hundred fifty-seven".