124404533145 has 24 divisors (see below), whose sum is σ = 216106407816. Its totient is φ = 66203889408.

The previous prime is 124404533129. The next prime is 124404533207. The reversal of 124404533145 is 541335404421.

124404533145 is a `hidden beast` number, since 1 + 2 + 440 + 45 + 33 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74334205449 + 50070327696 = 272643^2 + 223764^2 .

It is not a de Polignac number, because 124404533145 - 2⁴ = 124404533129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3004102 + ... + 3045231.

It is an arithmetic number, because the mean of its divisors is an integer number (9004433659).

Almost surely, 2^124404533145 is an apocalyptic number.

124404533145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124404533145 is a deficient number, since it is larger than the sum of its proper divisors (91701874671).

124404533145 is a wasteful number, since it uses less digits than its factorization.

124404533145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049801 (or 6049798 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 124404533145 its reverse (541335404421), we get a palindrome (665739937566).

The spelling of 124404533145 in words is "one hundred twenty-four billion, four hundred four million, five hundred thirty-three thousand, one hundred forty-five".