102402443143 has 48 divisors (see below), whose sum is σ = 139760647488. Its totient is φ = 73003392000.

The previous prime is 102402443137. The next prime is 102402443167. The reversal of 102402443143 is 341344204201.

It is not a de Polignac number, because 102402443143 - 2¹³ = 102402434951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402443173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1203093 + ... + 1285393.

It is an arithmetic number, because the mean of its divisors is an integer number (2911680156).

Almost surely, 2^102402443143 is an apocalyptic number.

102402443143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102402443143 is a deficient number, since it is larger than the sum of its proper divisors (37358204345).

102402443143 is a wasteful number, since it uses less digits than its factorization.

102402443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82456 (or 82445 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 102402443143 its reverse (341344204201), we get a palindrome (443746647344).

It can be divided in two parts, 102402 and 443143, that added together give a palindrome (545545).

The spelling of 102402443143 in words is "one hundred two billion, four hundred two million, four hundred forty-three thousand, one hundred forty-three".