27450143445 has 8 divisors (see below), whose sum is σ = 43920229536. Its totient is φ = 14640076496.

The previous prime is 27450143443. The next prime is 27450143549. The reversal of 27450143445 is 54434105472.

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 27450143445 - 2¹ = 27450143443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27450143443) 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, 915004767 + ... + 915004796.

It is an arithmetic number, because the mean of its divisors is an integer number (5490028692).

Almost surely, 2^27450143445 is an apocalyptic number.

It is an amenable number.

27450143445 is a deficient number, since it is larger than the sum of its proper divisors (16470086091).

27450143445 is a wasteful number, since it uses less digits than its factorization.

27450143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830009571.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 27450143445 in words is "twenty-seven billion, four hundred fifty million, one hundred forty-three thousand, four hundred forty-five".