145200053 has 4 divisors (see below), whose sum is σ = 146174700. Its totient is φ = 144225408.

The previous prime is 145200049. The next prime is 145200067. The reversal of 145200053 is 350002541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86248369 + 58951684 = 9287^2 + 7678^2 .

It is a cyclic number.

It is not a de Polignac number, because 145200053 - 2² = 145200049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145199998 and 145200034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145200953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487100 + ... + 487397.

It is an arithmetic number, because the mean of its divisors is an integer number (36543675).

Almost surely, 2^145200053 is an apocalyptic number.

It is an amenable number.

145200053 is a deficient number, since it is larger than the sum of its proper divisors (974647).

145200053 is an equidigital number, since it uses as much as digits as its factorization.

145200053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974646.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 145200053 is about 12049.8984643025. The cubic root of 145200053 is about 525.6002844999.

Adding to 145200053 its reverse (350002541), we get a palindrome (495202594).

The spelling of 145200053 in words is "one hundred forty-five million, two hundred thousand, fifty-three".