4456145 has 8 divisors (see below), whose sum is σ = 5360256. Its totient is φ = 3556336.

The previous prime is 4456121. The next prime is 4456147. The reversal of 4456145 is 5416544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4456145 is a prime.

It is a super-2 number, since 2×4456145² = 39714456522050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4456147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (670032).

Almost surely, 2^4456145 is an apocalyptic number.

It is an amenable number.

4456145 is a deficient number, since it is larger than the sum of its proper divisors (904111).

4456145 is a wasteful number, since it uses less digits than its factorization.

4456145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its digits is 9600, while the sum is 29.

The square root of 4456145 is about 2110.9583131838. The cubic root of 4456145 is about 164.5582921186.

The spelling of 4456145 in words is "four million, four hundred fifty-six thousand, one hundred forty-five".