45783161 has 4 divisors (see below), whose sum is σ = 46203300. Its totient is φ = 45363024.

The previous prime is 45783151. The next prime is 45783163. The reversal of 45783161 is 16138754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16138754 = 2 ⋅8069377.

It can be written as a sum of positive squares in 2 ways, for example, as 17480761 + 28302400 = 4181^2 + 5320^2 .

It is a cyclic number.

It is not a de Polignac number, because 45783161 - 2¹⁰ = 45782137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45783163) 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, 209906 + ... + 210123.

It is an arithmetic number, because the mean of its divisors is an integer number (11550825).

Almost surely, 2^45783161 is an apocalyptic number.

It is an amenable number.

45783161 is a deficient number, since it is larger than the sum of its proper divisors (420139).

45783161 is a wasteful number, since it uses less digits than its factorization.

45783161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420138.

The product of its digits is 20160, while the sum is 35.

The square root of 45783161 is about 6766.3255168518. The cubic root of 45783161 is about 357.7408968587.

The spelling of 45783161 in words is "forty-five million, seven hundred eighty-three thousand, one hundred sixty-one".