10157845 has 4 divisors (see below), whose sum is σ = 12189420. Its totient is φ = 8126272.

The previous prime is 10157839. The next prime is 10157879. The reversal of 10157845 is 54875101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54875101 = 929 ⋅59069.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 7257636 = 1703^2 + 2694^2 .

It is a cyclic number.

It is not a de Polignac number, because 10157845 - 2¹³ = 10149653 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015780 + ... + 1015789.

It is an arithmetic number, because the mean of its divisors is an integer number (3047355).

Almost surely, 2^10157845 is an apocalyptic number.

It is an amenable number.

10157845 is a deficient number, since it is larger than the sum of its proper divisors (2031575).

10157845 is an equidigital number, since it uses as much as digits as its factorization.

10157845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031574.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 10157845 is about 3187.1374303597. The cubic root of 10157845 is about 216.5711123685.

The spelling of 10157845 in words is "ten million, one hundred fifty-seven thousand, eight hundred forty-five".