54145105 has 16 divisors (see below), whose sum is σ = 77485824. Its totient is φ = 35513280.

The previous prime is 54145073. The next prime is 54145111. The reversal of 54145105 is 50154145.

It is a happy number.

It is not a de Polignac number, because 54145105 - 2⁵ = 54145073 is a prime.

It is a super-2 number, since 2×54145105² = 5863384790922050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54145105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32826 + ... + 34435.

It is an arithmetic number, because the mean of its divisors is an integer number (4842864).

Almost surely, 2^54145105 is an apocalyptic number.

It is an amenable number.

54145105 is a deficient number, since it is larger than the sum of its proper divisors (23340719).

54145105 is a wasteful number, since it uses less digits than its factorization.

54145105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67296.

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

The square root of 54145105 is about 7358.3357493390. The cubic root of 54145105 is about 378.3145692898.

The spelling of 54145105 in words is "fifty-four million, one hundred forty-five thousand, one hundred five".