54106660145 has 24 divisors (see below), whose sum is σ = 69983201664. Its totient is φ = 40134597408.

The previous prime is 54106660141. The next prime is 54106660151.

It is a happy number.

54106660145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54106660145 - 2² = 54106660141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54106660099 and 54106660108.

It is not an unprimeable number, because it can be changed into a prime (54106660141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234059 + ... + 403728.

It is an arithmetic number, because the mean of its divisors is an integer number (2915966736).

Almost surely, 2^54106660145 is an apocalyptic number.

It is an amenable number.

54106660145 is a deficient number, since it is larger than the sum of its proper divisors (15876541519).

54106660145 is a wasteful number, since it uses less digits than its factorization.

54106660145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637877 (or 637858 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 54106660145 in words is "fifty-four billion, one hundred six million, six hundred sixty thousand, one hundred forty-five".