16145975 has 6 divisors (see below), whose sum is σ = 20021040. Its totient is φ = 12916760.

The previous prime is 16145963. The next prime is 16145993. The reversal of 16145975 is 57954161.

It is not a de Polignac number, because 16145975 - 2⁴ = 16145959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322895 + ... + 322944.

It is an arithmetic number, because the mean of its divisors is an integer number (3336840).

Almost surely, 2^16145975 is an apocalyptic number.

16145975 is a deficient number, since it is larger than the sum of its proper divisors (3875065).

16145975 is an equidigital number, since it uses as much as digits as its factorization.

16145975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645849 (or 645844 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 16145975 is about 4018.2054452205. The cubic root of 16145975 is about 252.7482119570.

The spelling of 16145975 in words is "sixteen million, one hundred forty-five thousand, nine hundred seventy-five".