45945823 has 16 divisors (see below), whose sum is σ = 58834944. Its totient is φ = 34832160.

The previous prime is 45945821. The next prime is 45945839. The reversal of 45945823 is 32854954.

It is not a de Polignac number, because 45945823 - 2¹ = 45945821 is a prime.

It is a super-2 number, since 2×45945823² = 4222037302294658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45945821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5215 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (3677184).

Almost surely, 2^45945823 is an apocalyptic number.

45945823 is a deficient number, since it is larger than the sum of its proper divisors (12889121).

45945823 is a wasteful number, since it uses less digits than its factorization.

45945823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182.

The product of its digits is 172800, while the sum is 40.

The square root of 45945823 is about 6778.3348250142. The cubic root of 45945823 is about 358.1640660560.

The spelling of 45945823 in words is "forty-five million, nine hundred forty-five thousand, eight hundred twenty-three".