10143405 has 24 divisors (see below), whose sum is σ = 17917848. Its totient is φ = 5306496.

The previous prime is 10143401. The next prime is 10143409. The reversal of 10143405 is 50434101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10143401) and next prime (10143409).

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 9715689 = 654^2 + 3117^2 .

It is not a de Polignac number, because 10143405 - 2² = 10143401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143401) 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 in 23 ways as a sum of consecutive naturals, for example, 259 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (746577).

Almost surely, 2^10143405 is an apocalyptic number.

10143405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10143405 is a deficient number, since it is larger than the sum of its proper divisors (7774443).

10143405 is a wasteful number, since it uses less digits than its factorization.

10143405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10143405 is about 3184.8712689840. The cubic root of 10143405 is about 216.4684406597.

Adding to 10143405 its reverse (50434101), we get a palindrome (60577506).

The spelling of 10143405 in words is "ten million, one hundred forty-three thousand, four hundred five".