105231142450 has 48 divisors (see below), whose sum is σ = 224255093184. Its totient is φ = 35988321600.

The previous prime is 105231142397. The next prime is 105231142459. The reversal of 105231142450 is 54241132501.

It is a super-2 number, since 2×105231142450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105231142459) 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, 239716 + ... + 517615.

It is an arithmetic number, because the mean of its divisors is an integer number (4671981108).

Almost surely, 2^105231142450 is an apocalyptic number.

105231142450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105231142450 is an abundant number, since it is smaller than the sum of its proper divisors (119023950734).

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

105231142450 is a wasteful number, since it uses less digits than its factorization.

105231142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757747 (or 757742 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 105231142450 its reverse (54241132501), we get a palindrome (159472274951).

The spelling of 105231142450 in words is "one hundred five billion, two hundred thirty-one million, one hundred forty-two thousand, four hundred fifty".