145030215 has 32 divisors (see below), whose sum is σ = 254863872. Its totient is φ = 69840000.

The previous prime is 145030199. The next prime is 145030241. The reversal of 145030215 is 512030541.

145030215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145030215 - 2⁴ = 145030199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145030191 and 145030200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22005 + ... + 27825.

It is an arithmetic number, because the mean of its divisors is an integer number (7964496).

Almost surely, 2^145030215 is an apocalyptic number.

145030215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145030215 is a deficient number, since it is larger than the sum of its proper divisors (109833657).

145030215 is a wasteful number, since it uses less digits than its factorization.

145030215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145030215 is about 12042.8491230273. The cubic root of 145030215 is about 525.3952760155.

Adding to 145030215 its reverse (512030541), we get a palindrome (657060756).

The spelling of 145030215 in words is "one hundred forty-five million, thirty thousand, two hundred fifteen".