144857220500 has 36 divisors (see below), whose sum is σ = 316386757596. Its totient is φ = 57939484000.

The previous prime is 144857220463. The next prime is 144857220509. The reversal of 144857220500 is 5022758441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 17606416 + 144839614084 = 4196^2 + 380578^2 .

It is a super-2 number, since 2×144857220500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144857220509) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8501990 + ... + 8519010.

Almost surely, 2^144857220500 is an apocalyptic number.

144857220500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144857220500 is an abundant number, since it is smaller than the sum of its proper divisors (171529537096).

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

144857220500 is an frugal number, since it uses more digits than its factorization.

144857220500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34061 (or 17028 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 144857220500 its reverse (5022758441), we get a palindrome (149879978941).

The spelling of 144857220500 in words is "one hundred forty-four billion, eight hundred fifty-seven million, two hundred twenty thousand, five hundred".