145043105200 has 120 divisors (see below), whose sum is σ = 398677384800. Its totient is φ = 49675315200.

The previous prime is 145043105147. The next prime is 145043105231. The reversal of 145043105200 is 2501340541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2607276 + ... + 2662324.

It is an arithmetic number, because the mean of its divisors is an integer number (3322311540).

Almost surely, 2^145043105200 is an apocalyptic number.

145043105200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145043105200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199338692400).

145043105200 is an abundant number, since it is smaller than the sum of its proper divisors (253634279600).

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

145043105200 is a wasteful number, since it uses less digits than its factorization.

145043105200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56015 (or 56004 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 145043105200 its reverse (2501340541), we get a palindrome (147544445741).

The spelling of 145043105200 in words is "one hundred forty-five billion, forty-three million, one hundred five thousand, two hundred".