105445354540 has 12 divisors (see below), whose sum is σ = 221435244576. Its totient is φ = 42178141808.

The previous prime is 105445354537. The next prime is 105445354571. The reversal of 105445354540 is 45453544501.

It is a super-2 number, since 2×105445354540² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105445354493 and 105445354502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636133844 + ... + 2636133883.

It is an arithmetic number, because the mean of its divisors is an integer number (18452937048).

Almost surely, 2^105445354540 is an apocalyptic number.

105445354540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105445354540 is an abundant number, since it is smaller than the sum of its proper divisors (115989890036).

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

105445354540 is a wasteful number, since it uses less digits than its factorization.

105445354540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272267736 (or 5272267734 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 105445354540 in words is "one hundred five billion, four hundred forty-five million, three hundred fifty-four thousand, five hundred forty".