103645645554 has 64 divisors (see below), whose sum is σ = 232162495488. Its totient is φ = 30579806400.

The previous prime is 103645645549. The next prime is 103645645559. The reversal of 103645645554 is 455546546301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103645645549) and next prime (103645645559).

It is not an unprimeable number, because it can be changed into a prime (103645645559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345147 + ... + 571329.

It is an arithmetic number, because the mean of its divisors is an integer number (3627538992).

Almost surely, 2^103645645554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103645645554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116081247744).

103645645554 is an abundant number, since it is smaller than the sum of its proper divisors (128516849934).

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

103645645554 is a wasteful number, since it uses less digits than its factorization.

103645645554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226383.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 103645645554 in words is "one hundred three billion, six hundred forty-five million, six hundred forty-five thousand, five hundred fifty-four".