102545455428 has 72 divisors (see below), whose sum is σ = 279249262656. Its totient is φ = 31541400000.

The previous prime is 102545455399. The next prime is 102545455433. The reversal of 102545455428 is 824554545201.

102545455428 is a `hidden beast` number, since 1 + 0 + 2 + 54 + 54 + 5 + 542 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353553 + ... + 1427303.

Almost surely, 2^102545455428 is an apocalyptic number.

102545455428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102545455428 is an abundant number, since it is smaller than the sum of its proper divisors (176703807228).

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

102545455428 is a wasteful number, since it uses less digits than its factorization.

102545455428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76745 (or 76740 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 45.

The spelling of 102545455428 in words is "one hundred two billion, five hundred forty-five million, four hundred fifty-five thousand, four hundred twenty-eight".