10143542 has 4 divisors (see below), whose sum is σ = 15215316. Its totient is φ = 5071770.

The previous prime is 10143517. The next prime is 10143547. The reversal of 10143542 is 24534101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535884 + ... + 2535887.

It is an arithmetic number, because the mean of its divisors is an integer number (3803829).

Almost surely, 2^10143542 is an apocalyptic number.

10143542 is a deficient number, since it is larger than the sum of its proper divisors (5071774).

10143542 is an equidigital number, since it uses as much as digits as its factorization.

10143542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071773.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10143542 is about 3184.8927768451. The cubic root of 10143542 is about 216.4694152188.

Adding to 10143542 its reverse (24534101), we get a palindrome (34677643).

The spelling of 10143542 in words is "ten million, one hundred forty-three thousand, five hundred forty-two".