145200115 has 4 divisors (see below), whose sum is σ = 174240144. Its totient is φ = 116160088.

The previous prime is 145200113. The next prime is 145200149. The reversal of 145200115 is 511002541.

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

It is a cyclic number.

It is not a de Polignac number, because 145200115 - 2¹ = 145200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145200092 and 145200101.

It is not an unprimeable number, because it can be changed into a prime (145200113) 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, 14520007 + ... + 14520016.

It is an arithmetic number, because the mean of its divisors is an integer number (43560036).

Almost surely, 2^145200115 is an apocalyptic number.

145200115 is a deficient number, since it is larger than the sum of its proper divisors (29040029).

145200115 is an equidigital number, since it uses as much as digits as its factorization.

145200115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040028.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 145200115 is about 12049.9010369380. The cubic root of 145200115 is about 525.6003593098.

Adding to 145200115 its reverse (511002541), we get a palindrome (656202656).

The spelling of 145200115 in words is "one hundred forty-five million, two hundred thousand, one hundred fifteen".