145430205 has 8 divisors (see below), whose sum is σ = 232688352. Its totient is φ = 77562768.

The previous prime is 145430191. The next prime is 145430293. The reversal of 145430205 is 502034541.

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

It is not a de Polignac number, because 145430205 - 2¹⁰ = 145429181 is a prime.

It is a super-2 number, since 2×145430205² = 42299889052684050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847659 + ... + 4847688.

It is an arithmetic number, because the mean of its divisors is an integer number (29086044).

Almost surely, 2^145430205 is an apocalyptic number.

145430205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145430205 is a deficient number, since it is larger than the sum of its proper divisors (87258147).

145430205 is an equidigital number, since it uses as much as digits as its factorization.

145430205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695355.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145430205 is about 12059.4446389542. Note that the first 3 decimals coincide. The cubic root of 145430205 is about 525.8778420174.

Adding to 145430205 its reverse (502034541), we get a palindrome (647464746).

The spelling of 145430205 in words is "one hundred forty-five million, four hundred thirty thousand, two hundred five".