415745161 has 4 divisors (see below), whose sum is σ = 447725572. Its totient is φ = 383764752.

The previous prime is 415745159. The next prime is 415745177. The reversal of 415745161 is 161547514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161547514 = 2 ⋅80773757.

It can be written as a sum of positive squares in 2 ways, for example, as 53071225 + 362673936 = 7285^2 + 19044^2 .

It is a cyclic number.

It is not a de Polignac number, because 415745161 - 2¹ = 415745159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415745191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15990186 + ... + 15990211.

It is an arithmetic number, because the mean of its divisors is an integer number (111931393).

Almost surely, 2^415745161 is an apocalyptic number.

It is an amenable number.

415745161 is a deficient number, since it is larger than the sum of its proper divisors (31980411).

415745161 is a wasteful number, since it uses less digits than its factorization.

415745161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31980410.

The product of its digits is 16800, while the sum is 34.

The square root of 415745161 is about 20389.8298423503. The cubic root of 415745161 is about 746.3497660257.

The spelling of 415745161 in words is "four hundred fifteen million, seven hundred forty-five thousand, one hundred sixty-one".