105143224500 has 120 divisors (see below), whose sum is σ = 343031849160. Its totient is φ = 28038182400.

The previous prime is 105143224493. The next prime is 105143224513. The reversal of 105143224500 is 5422341501.

105143224500 is a `hidden beast` number, since 10 + 5 + 143 + 2 + 2 + 4 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9524979216 + 95618245284 = 97596^2 + 309222^2 .

It is a super-2 number, since 2×105143224500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1257565 + ... + 1338564.

It is an arithmetic number, because the mean of its divisors is an integer number (2858598743).

Almost surely, 2^105143224500 is an apocalyptic number.

105143224500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105143224500 is an abundant number, since it is smaller than the sum of its proper divisors (237888624660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105143224500 is a wasteful number, since it uses less digits than its factorization.

105143224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596160 (or 2596139 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 105143224500 in words is "one hundred five billion, one hundred forty-three million, two hundred twenty-four thousand, five hundred".