145552544200 has 96 divisors (see below), whose sum is σ = 387594567360. Its totient is φ = 49795257600.

The previous prime is 145552544177. The next prime is 145552544209. The reversal of 145552544200 is 2445255541.

It is a self number, because there is not a number n which added to its sum of digits gives 145552544200.

It is not an unprimeable number, because it can be changed into a prime (145552544209) 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, 532639 + ... + 758161.

It is an arithmetic number, because the mean of its divisors is an integer number (4037443410).

Almost surely, 2^145552544200 is an apocalyptic number.

145552544200 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 145552544200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193797283680).

145552544200 is an abundant number, since it is smaller than the sum of its proper divisors (242042023160).

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

145552544200 is a wasteful number, since it uses less digits than its factorization.

145552544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226007 (or 225998 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 145552544200 its reverse (2445255541), we get a palindrome (147997799741).

The spelling of 145552544200 in words is "one hundred forty-five billion, five hundred fifty-two million, five hundred forty-four thousand, two hundred".