102448428 has 24 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 33047760.

The previous prime is 102448369. The next prime is 102448439. The reversal of 102448428 is 824844201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137328 + ... + 138071.

It is an arithmetic number, because the mean of its divisors is an integer number (10281600).

Almost surely, 2^102448428 is an apocalyptic number.

It is an amenable number.

102448428 is an abundant number, since it is smaller than the sum of its proper divisors (144309972).

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

102448428 is a wasteful number, since it uses less digits than its factorization.

102448428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275437 (or 275435 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 102448428 is about 10121.6810856695. The cubic root of 102448428 is about 467.9165787463.

The spelling of 102448428 in words is "one hundred two million, four hundred forty-eight thousand, four hundred twenty-eight".