16145965 has 16 divisors (see below), whose sum is σ = 21278016. Its totient is φ = 11664000.

The previous prime is 16145963. The next prime is 16145993. The reversal of 16145965 is 56954161.

It is not a de Polignac number, because 16145965 - 2¹ = 16145963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8065 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (1329876).

Almost surely, 2^16145965 is an apocalyptic number.

It is an amenable number.

16145965 is a deficient number, since it is larger than the sum of its proper divisors (5132051).

16145965 is a wasteful number, since it uses less digits than its factorization.

16145965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 32400, while the sum is 37.

The square root of 16145965 is about 4018.2042008838. The cubic root of 16145965 is about 252.7481597772.

The spelling of 16145965 in words is "sixteen million, one hundred forty-five thousand, nine hundred sixty-five".