124355543145 has 8 divisors (see below), whose sum is σ = 198968869056. Its totient is φ = 66322956336.

The previous prime is 124355543119. The next prime is 124355543149. The reversal of 124355543145 is 541345553421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124355543145 - 2⁵ = 124355543113 is a prime.

It is a super-2 number, since 2×124355543145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124355543097 and 124355543106.

It is not an unprimeable number, because it can be changed into a prime (124355543149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145184757 + ... + 4145184786.

It is an arithmetic number, because the mean of its divisors is an integer number (24871108632).

Almost surely, 2^124355543145 is an apocalyptic number.

124355543145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124355543145 is a deficient number, since it is larger than the sum of its proper divisors (74613325911).

124355543145 is an equidigital number, since it uses as much as digits as its factorization.

124355543145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290369551.

The product of its digits is 720000, while the sum is 42.

The spelling of 124355543145 in words is "one hundred twenty-four billion, three hundred fifty-five million, five hundred forty-three thousand, one hundred forty-five".