45434161 has 4 divisors (see below), whose sum is σ = 45457524. Its totient is φ = 45410800.

The previous prime is 45434159. The next prime is 45434167. The reversal of 45434161 is 16143454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16143454 = 2 ⋅8071727.

It can be written as a sum of positive squares in 2 ways, for example, as 43560000 + 1874161 = 6600^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 45434161 - 2¹ = 45434159 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45434167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8470 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (11364381).

Almost surely, 2^45434161 is an apocalyptic number.

It is an amenable number.

45434161 is a deficient number, since it is larger than the sum of its proper divisors (23363).

45434161 is a wasteful number, since it uses less digits than its factorization.

45434161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its digits is 5760, while the sum is 28.

The square root of 45434161 is about 6740.4867034955. The cubic root of 45434161 is about 356.8295707735.

The spelling of 45434161 in words is "forty-five million, four hundred thirty-four thousand, one hundred sixty-one".