102165031452 has 96 divisors (see below), whose sum is σ = 266454042624. Its totient is φ = 30199377600.

The previous prime is 102165031439. The next prime is 102165031469. The reversal of 102165031452 is 254130561201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4455577 + ... + 4478447.

It is an arithmetic number, because the mean of its divisors is an integer number (2775562944).

Almost surely, 2^102165031452 is an apocalyptic number.

102165031452 is a gapful number since it is divisible by the number (12) 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 102165031452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133227021312).

102165031452 is an abundant number, since it is smaller than the sum of its proper divisors (164289011172).

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

102165031452 is a wasteful number, since it uses less digits than its factorization.

102165031452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719 (or 23717 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 102165031452 its reverse (254130561201), we get a palindrome (356295592653).

The spelling of 102165031452 in words is "one hundred two billion, one hundred sixty-five million, thirty-one thousand, four hundred fifty-two".