143214165 has 12 divisors (see below), whose sum is σ = 248237964. Its totient is φ = 76380864.

The previous prime is 143214163. The next prime is 143214173. The reversal of 143214165 is 561412341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73307844 + 69906321 = 8562^2 + 8361^2 .

It is not a de Polignac number, because 143214165 - 2¹ = 143214163 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143214163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591224 + ... + 1591313.

It is an arithmetic number, because the mean of its divisors is an integer number (20686497).

Almost surely, 2^143214165 is an apocalyptic number.

143214165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143214165 is a deficient number, since it is larger than the sum of its proper divisors (105023799).

143214165 is a wasteful number, since it uses less digits than its factorization.

143214165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182548 (or 3182545 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 143214165 is about 11967.2120813496. The cubic root of 143214165 is about 523.1930806852.

The spelling of 143214165 in words is "one hundred forty-three million, two hundred fourteen thousand, one hundred sixty-five".