45815023 has 16 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 42344640.

The previous prime is 45815009. The next prime is 45815027. The reversal of 45815023 is 32051854.

It is a cyclic number.

It is not a de Polignac number, because 45815023 - 2¹⁷ = 45683951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45814982 and 45815000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815027) 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, 196515 + ... + 196747.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^45815023 is an apocalyptic number.

45815023 is a deficient number, since it is larger than the sum of its proper divisors (3605777).

45815023 is a wasteful number, since it uses less digits than its factorization.

45815023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45815023 is about 6768.6795610370. The cubic root of 45815023 is about 357.8238654806.

Adding to 45815023 its reverse (32051854), we get a palindrome (77866877).

It can be divided in two parts, 4581 and 5023, that added together give a square (9604 = 98²).

The spelling of 45815023 in words is "forty-five million, eight hundred fifteen thousand, twenty-three".