102542552 has 32 divisors (see below), whose sum is σ = 220907520. Its totient is φ = 43712160.

The previous prime is 102542551. The next prime is 102542567. The reversal of 102542552 is 255245201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102542551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5903 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (6903360).

Almost surely, 2^102542552 is an apocalyptic number.

It is an amenable number.

102542552 is an abundant number, since it is smaller than the sum of its proper divisors (118364968).

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

102542552 is a wasteful number, since it uses less digits than its factorization.

102542552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 102542552 is about 10126.3296410891. The cubic root of 102542552 is about 468.0598335850.

Adding to 102542552 its reverse (255245201), we get a palindrome (357787753).

The spelling of 102542552 in words is "one hundred two million, five hundred forty-two thousand, five hundred fifty-two".