102343144 has 8 divisors (see below), whose sum is σ = 191893410. Its totient is φ = 51171568.

The previous prime is 102343141. The next prime is 102343151. The reversal of 102343144 is 441343201.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 131044 = 10110^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102343141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396439 + ... + 6396454.

Almost surely, 2^102343144 is an apocalyptic number.

It is an amenable number.

102343144 is a deficient number, since it is larger than the sum of its proper divisors (89550266).

102343144 is a wasteful number, since it uses less digits than its factorization.

102343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12792899 (or 12792895 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 102343144 is about 10116.4788340608. The cubic root of 102343144 is about 467.7562346084.

Adding to 102343144 its reverse (441343201), we get a palindrome (543686345).

The spelling of 102343144 in words is "one hundred two million, three hundred forty-three thousand, one hundred forty-four".