102525048 has 64 divisors (see below), whose sum is σ = 290880000. Its totient is φ = 33444576.

The previous prime is 102525047. The next prime is 102525089. The reversal of 102525048 is 840525201.

It is a happy number.

102525048 is a `hidden beast` number, since 102 + 52 + 504 + 8 = 666.

It is a super-2 number, since 2×102525048² = 21022770934804608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102525041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5103 + ... + 15201.

It is an arithmetic number, because the mean of its divisors is an integer number (4545000).

Almost surely, 2^102525048 is an apocalyptic number.

102525048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102525048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145440000).

102525048 is an abundant number, since it is smaller than the sum of its proper divisors (188354952).

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

102525048 is a wasteful number, since it uses less digits than its factorization.

102525048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161 (or 10151 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 102525048 is about 10125.4653226407. The cubic root of 102525048 is about 468.0331994857.

The spelling of 102525048 in words is "one hundred two million, five hundred twenty-five thousand, forty-eight".