54105145 has 16 divisors (see below), whose sum is σ = 65994768. Its totient is φ = 42577920.

The previous prime is 54105119. The next prime is 54105151. The reversal of 54105145 is 54150145.

It is a happy number.

54105145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 346921 + 53758224 = 589^2 + 7332^2 .

It is not a de Polignac number, because 54105145 - 2¹¹ = 54103097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136087 + ... + 136483.

It is an arithmetic number, because the mean of its divisors is an integer number (4124673).

Almost surely, 2^54105145 is an apocalyptic number.

It is an amenable number.

54105145 is a deficient number, since it is larger than the sum of its proper divisors (11889623).

54105145 is a wasteful number, since it uses less digits than its factorization.

54105145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 54105145 is about 7355.6199602753. The cubic root of 54105145 is about 378.2214788760.

The spelling of 54105145 in words is "fifty-four million, one hundred five thousand, one hundred forty-five".