143512106 has 4 divisors (see below), whose sum is σ = 215268162. Its totient is φ = 71756052.

The previous prime is 143512099. The next prime is 143512121. The reversal of 143512106 is 601215341.

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., 115369081 + 28143025 = 10741^2 + 5305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35878025 + ... + 35878028.

Almost surely, 2^143512106 is an apocalyptic number.

143512106 is a deficient number, since it is larger than the sum of its proper divisors (71756056).

143512106 is an equidigital number, since it uses as much as digits as its factorization.

143512106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71756055.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 143512106 is about 11979.6538347316. The cubic root of 143512106 is about 523.5556442091. Note that the first 3 decimals are identical.

Adding to 143512106 its reverse (601215341), we get a palindrome (744727447).

The spelling of 143512106 in words is "one hundred forty-three million, five hundred twelve thousand, one hundred six".