16135145 has 16 divisors (see below), whose sum is σ = 21418320. Its totient is φ = 11591424.

The previous prime is 16135109. The next prime is 16135169. The reversal of 16135145 is 54153161.

It can be written as a sum of positive squares in 8 ways, for example, as 30976 + 16104169 = 176^2 + 4013^2 .

It is not a de Polignac number, because 16135145 - 2¹⁴ = 16118761 is a prime.

It is a Curzon number.

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, 950 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (1338645).

Almost surely, 2^16135145 is an apocalyptic number.

It is an amenable number.

16135145 is a deficient number, since it is larger than the sum of its proper divisors (5283175).

16135145 is a wasteful number, since it uses less digits than its factorization.

16135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764.

The product of its digits is 1800, while the sum is 26.

The square root of 16135145 is about 4016.8576026541. The cubic root of 16135145 is about 252.6916885743.

The spelling of 16135145 in words is "sixteen million, one hundred thirty-five thousand, one hundred forty-five".