102143361 has 32 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 61205760.

The previous prime is 102143329. The next prime is 102143381. The reversal of 102143361 is 163341201.

It is not a de Polignac number, because 102143361 - 2⁵ = 102143329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102143311) 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 31 ways as a sum of consecutive naturals, for example, 102576 + ... + 103566.

It is an arithmetic number, because the mean of its divisors is an integer number (4713984).

Almost surely, 2^102143361 is an apocalyptic number.

It is an amenable number.

102143361 is a deficient number, since it is larger than the sum of its proper divisors (48704127).

102143361 is a wasteful number, since it uses less digits than its factorization.

102143361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 102143361 is about 10106.5998733501. The cubic root of 102143361 is about 467.4516689625.

Adding to 102143361 its reverse (163341201), we get a palindrome (265484562).

The spelling of 102143361 in words is "one hundred two million, one hundred forty-three thousand, three hundred sixty-one".