45161093 has 4 divisors (see below), whose sum is σ = 45174540. Its totient is φ = 45147648.

The previous prime is 45161089. The next prime is 45161107. The reversal of 45161093 is 39016154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39016154 = 2 ⋅19508077.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 30052324 = 3887^2 + 5482^2 .

It is a cyclic number.

It is not a de Polignac number, because 45161093 - 2² = 45161089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45161023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (11293635).

Almost surely, 2^45161093 is an apocalyptic number.

It is an amenable number.

45161093 is a deficient number, since it is larger than the sum of its proper divisors (13447).

45161093 is an equidigital number, since it uses as much as digits as its factorization.

45161093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 45161093 is about 6720.2003690366. The cubic root of 45161093 is about 356.1132624717.

The spelling of 45161093 in words is "forty-five million, one hundred sixty-one thousand, ninety-three".