54123232145 has 8 divisors (see below), whose sum is σ = 65917250304. Its totient is φ = 42652337904.

The previous prime is 54123232133. The next prime is 54123232199.

54123232145 is nontrivially palindromic in base 10.

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 54123232145 - 2⁶ = 54123232081 is a prime.

It is a super-2 number, since 2×54123232145² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80780609 + ... + 80781278.

It is an arithmetic number, because the mean of its divisors is an integer number (8239656288).

Almost surely, 2^54123232145 is an apocalyptic number.

It is an amenable number.

54123232145 is a deficient number, since it is larger than the sum of its proper divisors (11794018159).

54123232145 is a wasteful number, since it uses less digits than its factorization.

54123232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161561959.

The product of its digits is 28800, while the sum is 32.

The spelling of 54123232145 in words is "fifty-four billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred forty-five".