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143221102 = 2251285301
BaseRepresentation
bin10001000100101…
…10000101101110
3100222111101102021
420202112011232
5243131033402
622113420354
73356234143
oct1042260556
9328441367
10143221102
1173932152
123bb6a6ba
132389751b
14150423ca
15c890d37
hex889616e

143221102 has 8 divisors (see below), whose sum is σ = 215688312. Its totient is φ = 71325000.

The previous prime is 143221093. The next prime is 143221123. The reversal of 143221102 is 201122341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142149 + ... + 143152.

It is an arithmetic number, because the mean of its divisors is an integer number (26961039).

Almost surely, 2143221102 is an apocalyptic number.

143221102 is a deficient number, since it is larger than the sum of its proper divisors (72467210).

143221102 is a wasteful number, since it uses less digits than its factorization.

143221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285554.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143221102 is about 11967.5019114266. The cubic root of 143221102 is about 523.2015280149.

Adding to 143221102 its reverse (201122341), we get a palindrome (344343443).

The spelling of 143221102 in words is "one hundred forty-three million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 251 502 285301 570602 71610551 143221102