45510023 has 4 divisors (see below), whose sum is σ = 49010808. Its totient is φ = 42009240.

The previous prime is 45510013. The next prime is 45510029. The reversal of 45510023 is 32001554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45510023 - 2¹⁰ = 45508999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45509977 and 45510004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45510029) 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, 1750373 + ... + 1750398.

It is an arithmetic number, because the mean of its divisors is an integer number (12252702).

Almost surely, 2^45510023 is an apocalyptic number.

45510023 is a deficient number, since it is larger than the sum of its proper divisors (3500785).

45510023 is a wasteful number, since it uses less digits than its factorization.

45510023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500784.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45510023 is about 6746.1116948951. Note that the first 3 decimals coincide. The cubic root of 45510023 is about 357.0280613072.

Adding to 45510023 its reverse (32001554), we get a palindrome (77511577).

The spelling of 45510023 in words is "forty-five million, five hundred ten thousand, twenty-three".