145052440100 has 18 divisors (see below), whose sum is σ = 314763795234. Its totient is φ = 58020976000.

The previous prime is 145052440097. The next prime is 145052440147. The reversal of 145052440100 is 1044250541.

It can be written as a sum of positive squares in 3 ways, for example, as 37316194276 + 107736245824 = 193174^2 + 328232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145052440100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725262101 + ... + 725262300.

It is an arithmetic number, because the mean of its divisors is an integer number (17486877513).

Almost surely, 2^145052440100 is an apocalyptic number.

145052440100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145052440100 is an abundant number, since it is smaller than the sum of its proper divisors (169711355134).

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

145052440100 is a wasteful number, since it uses less digits than its factorization.

145052440100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450524415 (or 1450524408 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 145052440100 its reverse (1044250541), we get a palindrome (146096690641).

The spelling of 145052440100 in words is "one hundred forty-five billion, fifty-two million, four hundred forty thousand, one hundred".