145730085 has 8 divisors (see below), whose sum is σ = 233168160. Its totient is φ = 77722704.

The previous prime is 145730071. The next prime is 145730089. The reversal of 145730085 is 580037541.

145730085 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 145730085 - 2⁶ = 145730021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145730089) 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, 4857655 + ... + 4857684.

It is an arithmetic number, because the mean of its divisors is an integer number (29146020).

Almost surely, 2^145730085 is an apocalyptic number.

145730085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145730085 is a deficient number, since it is larger than the sum of its proper divisors (87438075).

145730085 is an equidigital number, since it uses as much as digits as its factorization.

145730085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715347.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145730085 is about 12071.8716444469. The cubic root of 145730085 is about 526.2390507442.

The spelling of 145730085 in words is "one hundred forty-five million, seven hundred thirty thousand, eighty-five".