105144536429 has 4 divisors (see below), whose sum is σ = 105148376220. Its totient is φ = 105140696640.

The previous prime is 105144536351. The next prime is 105144536437. The reversal of 105144536429 is 924635441501.

It is a happy number.

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 98652528100 + 6492008329 = 314090^2 + 80573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105144536429 is a prime.

It is a super-2 number, since 2×105144536429² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105144536429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105144536479) 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, 1878524 + ... + 1933685.

It is an arithmetic number, because the mean of its divisors is an integer number (26287094055).

Almost surely, 2^105144536429 is an apocalyptic number.

It is an amenable number.

105144536429 is a deficient number, since it is larger than the sum of its proper divisors (3839791).

105144536429 is an equidigital number, since it uses as much as digits as its factorization.

105144536429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839790.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 105144536429 in words is "one hundred five billion, one hundred forty-four million, five hundred thirty-six thousand, four hundred twenty-nine".