16845146 has 4 divisors (see below), whose sum is σ = 25267722. Its totient is φ = 8422572.

The previous prime is 16845067. The next prime is 16845161. The reversal of 16845146 is 64154861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 1155625 = 3961^2 + 1075^2 .

It is a super-2 number, since 2×16845146² = 567517887522632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211285 + ... + 4211288.

Almost surely, 2^16845146 is an apocalyptic number.

16845146 is a deficient number, since it is larger than the sum of its proper divisors (8422576).

16845146 is an equidigital number, since it uses as much as digits as its factorization.

16845146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422575.

The product of its digits is 23040, while the sum is 35.

The square root of 16845146 is about 4104.2838595789. The cubic root of 16845146 is about 256.3450445765.

The spelling of 16845146 in words is "sixteen million, eight hundred forty-five thousand, one hundred forty-six".