102154545225250 has 96 divisors (see below), whose sum is σ = 222802134263280. Its totient is φ = 34969772544000.

The previous prime is 102154545225247. The next prime is 102154545225281. The reversal of 102154545225250 is 52522545451201.

It can be written as a sum of positive squares in 8 ways, for example, as 15347143156849 + 86807402068401 = 3917543^2 + 9317049^2 .

It is a super-2 number, since 2×102154545225250² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102154545225197 and 102154545225206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1347456 + ... + 14357044.

Almost surely, 2^{102154545225250} is an apocalyptic number.

102154545225250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102154545225250 is an abundant number, since it is smaller than the sum of its proper divisors (120647589038030).

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

102154545225250 is a wasteful number, since it uses less digits than its factorization.

102154545225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13010261 (or 13010244 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 102154545225250 in words is "one hundred two trillion, one hundred fifty-four billion, five hundred forty-five million, two hundred twenty-five thousand, two hundred fifty".