145200423 has 8 divisors (see below), whose sum is σ = 193890928. Its totient is φ = 96655104.

The previous prime is 145200401. The next prime is 145200463. The reversal of 145200423 is 324002541.

145200423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145200423 - 2⁶ = 145200359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145200463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33940 + ... + 37977.

It is an arithmetic number, because the mean of its divisors is an integer number (24236366).

Almost surely, 2^145200423 is an apocalyptic number.

145200423 is a deficient number, since it is larger than the sum of its proper divisors (48690505).

145200423 is an equidigital number, since it uses as much as digits as its factorization.

145200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72593.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 145200423 is about 12049.9138171192. The cubic root of 145200423 is about 525.6007309459.

Adding to 145200423 its reverse (324002541), we get a palindrome (469202964).

The spelling of 145200423 in words is "one hundred forty-five million, two hundred thousand, four hundred twenty-three".