145216065 has 8 divisors (see below), whose sum is σ = 232345728. Its totient is φ = 77448560.

The previous prime is 145216063. The next prime is 145216103. The reversal of 145216065 is 560612541.

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

It is not a de Polignac number, because 145216065 - 2¹ = 145216063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145216063) 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, 4840521 + ... + 4840550.

It is an arithmetic number, because the mean of its divisors is an integer number (29043216).

Almost surely, 2^145216065 is an apocalyptic number.

145216065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145216065 is a deficient number, since it is larger than the sum of its proper divisors (87129663).

145216065 is an equidigital number, since it uses as much as digits as its factorization.

145216065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681079.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 145216065 is about 12050.5628499253. The cubic root of 145216065 is about 525.6196040576.

The spelling of 145216065 in words is "one hundred forty-five million, two hundred sixteen thousand, sixty-five".