14520145 has 16 divisors (see below), whose sum is σ = 17917200. Its totient is φ = 11291904.

The previous prime is 14520127. The next prime is 14520167. The reversal of 14520145 is 54102541.

14520145 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 8 ways, for example, as 49729 + 14470416 = 223^2 + 3804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14520145 is a prime.

It is a super-2 number, since 2×14520145² = 421669221642050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41431 + ... + 41779.

It is an arithmetic number, because the mean of its divisors is an integer number (1119825).

Almost surely, 2^14520145 is an apocalyptic number.

It is an amenable number.

14520145 is a deficient number, since it is larger than the sum of its proper divisors (3397055).

14520145 is a wasteful number, since it uses less digits than its factorization.

14520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 14520145 is about 3810.5308029197. The cubic root of 14520145 is about 243.9628235486.

Adding to 14520145 its reverse (54102541), we get a palindrome (68622686).

The spelling of 14520145 in words is "fourteen million, five hundred twenty thousand, one hundred forty-five".