102542223530 has 8 divisors (see below), whose sum is σ = 184576002372. Its totient is φ = 41016889408.

The previous prime is 102542223493. The next prime is 102542223557. The reversal of 102542223530 is 35322245201.

It can be written as a sum of positive squares in 2 ways, for example, as 98673259129 + 3868964401 = 314123^2 + 62201^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102542223493 and 102542223502.

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, 5127111167 + ... + 5127111186.

Almost surely, 2^102542223530 is an apocalyptic number.

102542223530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102542223530 is a deficient number, since it is larger than the sum of its proper divisors (82033778842).

102542223530 is a wasteful number, since it uses less digits than its factorization.

102542223530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254222360.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 102542223530 its reverse (35322245201), we get a palindrome (137864468731).

The spelling of 102542223530 in words is "one hundred two billion, five hundred forty-two million, two hundred twenty-three thousand, five hundred thirty".