54180408145 has 4 divisors (see below), whose sum is σ = 65016489780. Its totient is φ = 43344326512.

The previous prime is 54180408143. The next prime is 54180408167.

54180408145 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37815858369 + 16364549776 = 194463^2 + 127924^2 .

It is a cyclic number.

It is not a de Polignac number, because 54180408145 - 2¹ = 54180408143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54180408098 and 54180408107.

It is not an unprimeable number, because it can be changed into a prime (54180408143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418040810 + ... + 5418040819.

It is an arithmetic number, because the mean of its divisors is an integer number (16254122445).

Almost surely, 2^54180408145 is an apocalyptic number.

It is an amenable number.

54180408145 is a deficient number, since it is larger than the sum of its proper divisors (10836081635).

54180408145 is a wasteful number, since it uses less digits than its factorization.

54180408145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836081634.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 54180408145 in words is "fifty-four billion, one hundred eighty million, four hundred eight thousand, one hundred forty-five".