103445405540 has 24 divisors (see below), whose sum is σ = 217270666872. Its totient is φ = 41371435520.

The previous prime is 103445405507. The next prime is 103445405549. The reversal of 103445405540 is 45504544301.

It can be written as a sum of positive squares in 4 ways, for example, as 752075776 + 102693329764 = 27424^2 + 320458^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103445405540.

It is not an unprimeable number, because it can be changed into a prime (103445405549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 293381 + ... + 541260.

It is an arithmetic number, because the mean of its divisors is an integer number (9052944453).

Almost surely, 2^103445405540 is an apocalyptic number.

103445405540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103445405540 is an abundant number, since it is smaller than the sum of its proper divisors (113825261332).

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

103445405540 is a wasteful number, since it uses less digits than its factorization.

103445405540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840847 (or 840845 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 103445405540 its reverse (45504544301), we get a palindrome (148949949841).

The spelling of 103445405540 in words is "one hundred three billion, four hundred forty-five million, four hundred five thousand, five hundred forty".