45493161 has 16 divisors (see below), whose sum is σ = 69513600. Its totient is φ = 25924608.

The previous prime is 45493157. The next prime is 45493169. The reversal of 45493161 is 16139454.

It is not a de Polignac number, because 45493161 - 2² = 45493157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45493169) 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, 5385 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (4344600).

Almost surely, 2^45493161 is an apocalyptic number.

It is an amenable number.

45493161 is a deficient number, since it is larger than the sum of its proper divisors (24020439).

45493161 is a wasteful number, since it uses less digits than its factorization.

45493161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968.

The product of its digits is 12960, while the sum is 33.

The square root of 45493161 is about 6744.8618221577. The cubic root of 45493161 is about 356.9839614918.

It can be divided in two parts, 45493 and 161, that added together give a palindrome (45654).

The spelling of 45493161 in words is "forty-five million, four hundred ninety-three thousand, one hundred sixty-one".