43555600145 has 8 divisors (see below), whose sum is σ = 52267856256. Its totient is φ = 34843722736.

The previous prime is 43555600117. The next prime is 43555600177. The reversal of 43555600145 is 54100655534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43555600145 - 2²² = 43551405841 is a prime.

It is a super-2 number, since 2×43555600145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43555600099 and 43555600108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338744 + ... + 449286.

It is an arithmetic number, because the mean of its divisors is an integer number (6533482032).

Almost surely, 2^43555600145 is an apocalyptic number.

It is an amenable number.

43555600145 is a deficient number, since it is larger than the sum of its proper divisors (8712256111).

43555600145 is a wasteful number, since it uses less digits than its factorization.

43555600145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189351.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 43555600145 in words is "forty-three billion, five hundred fifty-five million, six hundred thousand, one hundred forty-five".