10143418 has 4 divisors (see below), whose sum is σ = 15215130. Its totient is φ = 5071708.

The previous prime is 10143409. The next prime is 10143433. The reversal of 10143418 is 81434101.

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

It can be written as a sum of positive squares in only one way, i.e., 5870929 + 4272489 = 2423^2 + 2067^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 2535853 + ... + 2535856.

Almost surely, 2^10143418 is an apocalyptic number.

10143418 is a deficient number, since it is larger than the sum of its proper divisors (5071712).

10143418 is an equidigital number, since it uses as much as digits as its factorization.

10143418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071711.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 10143418 is about 3184.8733098822. The cubic root of 10143418 is about 216.4685331365.

Adding to 10143418 its reverse (81434101), we get a palindrome (91577519).

The spelling of 10143418 in words is "ten million, one hundred forty-three thousand, four hundred eighteen".