102142202424 has 16 divisors (see below), whose sum is σ = 255355506120. Its totient is φ = 34047400800.

The previous prime is 102142202423. The next prime is 102142202447. The reversal of 102142202424 is 424202241201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4255925101 = 102142202424 / (1 + 0 + 2 + 1 + 4 + 2 + 2 + 0 + 2 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 102142202394 and 102142202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102142202423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127962527 + ... + 2127962574.

Almost surely, 2^102142202424 is an apocalyptic number.

It is an amenable number.

102142202424 is an abundant number, since it is smaller than the sum of its proper divisors (153213303696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102142202424 is a wasteful number, since it uses less digits than its factorization.

102142202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255925110 (or 4255925106 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 102142202424 its reverse (424202241201), we get a palindrome (526344443625).

The spelling of 102142202424 in words is "one hundred two billion, one hundred forty-two million, two hundred two thousand, four hundred twenty-four".