102448542 has 32 divisors (see below), whose sum is σ = 236496384. Its totient is φ = 28980000.

The previous prime is 102448519. The next prime is 102448571. The reversal of 102448542 is 245844201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834 + ... + 16317.

It is an arithmetic number, because the mean of its divisors is an integer number (7390512).

Almost surely, 2^102448542 is an apocalyptic number.

102448542 is an abundant number, since it is smaller than the sum of its proper divisors (134047842).

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

102448542 is a wasteful number, since it uses less digits than its factorization.

102448542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24264.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 102448542 is about 10121.6867171435. The cubic root of 102448542 is about 467.9167523051.

The spelling of 102448542 in words is "one hundred two million, four hundred forty-eight thousand, five hundred forty-two".