4645161 has 16 divisors (see below), whose sum is σ = 7043520. Its totient is φ = 3024000.

The previous prime is 4645153. The next prime is 4645163. The reversal of 4645161 is 1615464.

4645161 is a `hidden beast` number, since 4 + 645 + 16 + 1 = 666.

It is not a de Polignac number, because 4645161 - 2³ = 4645153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4645163) 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, 840 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (440220).

Almost surely, 2^4645161 is an apocalyptic number.

It is an amenable number.

4645161 is a deficient number, since it is larger than the sum of its proper divisors (2398359).

4645161 is a wasteful number, since it uses less digits than its factorization.

4645161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4047 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4645161 is about 2155.2635569693. The cubic root of 4645161 is about 166.8528350816.

It can be divided in two parts, 464 and 5161, that added together give a square (5625 = 75²).

The spelling of 4645161 in words is "four million, six hundred forty-five thousand, one hundred sixty-one".