145201205 has 4 divisors (see below), whose sum is σ = 174241452. Its totient is φ = 116160960.

The previous prime is 145201193. The next prime is 145201229. The reversal of 145201205 is 502102541.

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 14853316 + 130347889 = 3854^2 + 11417^2 .

It is not a de Polignac number, because 145201205 - 2¹² = 145197109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14520116 + ... + 14520125.

It is an arithmetic number, because the mean of its divisors is an integer number (43560363).

Almost surely, 2^145201205 is an apocalyptic number.

It is an amenable number.

145201205 is a deficient number, since it is larger than the sum of its proper divisors (29040247).

145201205 is an equidigital number, since it uses as much as digits as its factorization.

145201205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040246.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 145201205 is about 12049.9462654404. The cubic root of 145201205 is about 525.6016745130.

Adding to 145201205 its reverse (502102541), we get a palindrome (647303746).

The spelling of 145201205 in words is "one hundred forty-five million, two hundred one thousand, two hundred five".