102552056745 has 16 divisors (see below), whose sum is σ = 164160995712. Its totient is φ = 54668528640.

The previous prime is 102552056743. The next prime is 102552056777. The reversal of 102552056745 is 547650255201.

It is not a de Polignac number, because 102552056745 - 2¹ = 102552056743 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102552056697 and 102552056706.

It is not an unprimeable number, because it can be changed into a prime (102552056741) 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, 1586101 + ... + 1649490.

It is an arithmetic number, because the mean of its divisors is an integer number (10260062232).

Almost surely, 2^102552056745 is an apocalyptic number.

102552056745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102552056745 is a deficient number, since it is larger than the sum of its proper divisors (61608938967).

102552056745 is a wasteful number, since it uses less digits than its factorization.

102552056745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237712.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 102552056745 in words is "one hundred two billion, five hundred fifty-two million, fifty-six thousand, seven hundred forty-five".