10156542 has 16 divisors (see below), whose sum is σ = 22159872. Its totient is φ = 3077720.

The previous prime is 10156541. The next prime is 10156543. The reversal of 10156542 is 24565101.

It is an interprime number because it is at equal distance from previous prime (10156541) and next prime (10156543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10156541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76878 + ... + 77009.

It is an arithmetic number, because the mean of its divisors is an integer number (1384992).

Almost surely, 2^10156542 is an apocalyptic number.

10156542 is an abundant number, since it is smaller than the sum of its proper divisors (12003330).

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

10156542 is a wasteful number, since it uses less digits than its factorization.

10156542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153903.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 10156542 is about 3186.9330083954. The cubic root of 10156542 is about 216.5618517354.

It can be divided in two parts, 1015 and 6542, that added together give a palindrome (7557).

The spelling of 10156542 in words is "ten million, one hundred fifty-six thousand, five hundred forty-two".