145444200 has 96 divisors (see below), whose sum is σ = 491888160. Its totient is φ = 35257600.

The previous prime is 145444153. The next prime is 145444207. The reversal of 145444200 is 2444541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (145444207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4419 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (5123835).

Almost surely, 2^145444200 is an apocalyptic number.

145444200 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 145444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245944080).

145444200 is an abundant number, since it is smaller than the sum of its proper divisors (346443960).

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

145444200 is a wasteful number, since it uses less digits than its factorization.

145444200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22067 (or 22058 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 145444200 is about 12060.0248755962. The cubic root of 145444200 is about 525.8947101875.

Adding to 145444200 its reverse (2444541), we get a palindrome (147888741).

It can be divided in two parts, 1454 and 44200, that added together give a palindrome (45654).

The spelling of 145444200 in words is "one hundred forty-five million, four hundred forty-four thousand, two hundred".