102242532 has 48 divisors (see below), whose sum is σ = 273208320. Its totient is φ = 29152032.

The previous prime is 102242467. The next prime is 102242537. The reversal of 102242532 is 235242201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102242499 and 102242508.

It is not an unprimeable number, because it can be changed into a prime (102242537) 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, 54433 + ... + 56279.

It is an arithmetic number, because the mean of its divisors is an integer number (5691840).

Almost surely, 2^102242532 is an apocalyptic number.

102242532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102242532 is an abundant number, since it is smaller than the sum of its proper divisors (170965788).

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

102242532 is a wasteful number, since it uses less digits than its factorization.

102242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102242532 is about 10111.5049325014. The cubic root of 102242532 is about 467.6029029869.

Adding to 102242532 its reverse (235242201), we get a palindrome (337484733).

The spelling of 102242532 in words is "one hundred two million, two hundred forty-two thousand, five hundred thirty-two".