10243156 has 36 divisors (see below), whose sum is σ = 22752576. Its totient is φ = 3990000.

The previous prime is 10243097. The next prime is 10243171. The reversal of 10243156 is 65134201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^10243156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11376288).

10243156 is an abundant number, since it is smaller than the sum of its proper divisors (12509420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10243156 is a wasteful number, since it uses less digits than its factorization.

10243156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10243156 is about 3200.4930870102. The cubic root of 10243156 is about 217.1757161559.

Adding to 10243156 its reverse (65134201), we get a palindrome (75377357).

The spelling of 10243156 in words is "ten million, two hundred forty-three thousand, one hundred fifty-six".