143321162 has 4 divisors (see below), whose sum is σ = 214981746. Its totient is φ = 71660580.

The previous prime is 143321137. The next prime is 143321201. The reversal of 143321162 is 261123341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261123341 = 563 ⋅463807.

It can be written as a sum of positive squares in only one way, i.e., 72777961 + 70543201 = 8531^2 + 8399^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35830289 + ... + 35830292.

Almost surely, 2^143321162 is an apocalyptic number.

143321162 is a deficient number, since it is larger than the sum of its proper divisors (71660584).

143321162 is an equidigital number, since it uses as much as digits as its factorization.

143321162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71660583.

The product of its digits is 864, while the sum is 23.

The square root of 143321162 is about 11971.6816696736. The cubic root of 143321162 is about 523.3233428342.

The spelling of 143321162 in words is "one hundred forty-three million, three hundred twenty-one thousand, one hundred sixty-two".