143214043221 has 16 divisors (see below), whose sum is σ = 212206684800. Its totient is φ = 95459049504.

The previous prime is 143214043153. The next prime is 143214043307. The reversal of 143214043221 is 122340412341.

143214043221 is a `hidden beast` number, since 1 + 4 + 32 + 1 + 404 + 3 + 221 = 666.

It is not a de Polignac number, because 143214043221 - 2⁹ = 143214042709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143214053221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316081 + ... + 621558.

It is an arithmetic number, because the mean of its divisors is an integer number (13262917800).

Almost surely, 2^143214043221 is an apocalyptic number.

It is an amenable number.

143214043221 is a deficient number, since it is larger than the sum of its proper divisors (68992641579).

143214043221 is an equidigital number, since it uses as much as digits as its factorization.

143214043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943305 (or 943299 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 143214043221 its reverse (122340412341), we get a palindrome (265554455562).

It can be divided in two parts, 143 and 214043221, that multiplied together give a palindrome (30608180603).

The spelling of 143214043221 in words is "one hundred forty-three billion, two hundred fourteen million, forty-three thousand, two hundred twenty-one".