143164246 has 4 divisors (see below), whose sum is σ = 214746372. Its totient is φ = 71582122.

The previous prime is 143164237. The next prime is 143164249. The reversal of 143164246 is 642461341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642461341 = 1097 ⋅585653.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143164249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35791060 + ... + 35791063.

It is an arithmetic number, because the mean of its divisors is an integer number (53686593).

Almost surely, 2^143164246 is an apocalyptic number.

143164246 is a deficient number, since it is larger than the sum of its proper divisors (71582126).

143164246 is an equidigital number, since it uses as much as digits as its factorization.

143164246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71582125.

The product of its digits is 13824, while the sum is 31.

The square root of 143164246 is about 11965.1262425434. The cubic root of 143164246 is about 523.1322852314.

The spelling of 143164246 in words is "one hundred forty-three million, one hundred sixty-four thousand, two hundred forty-six".