45452573 has 4 divisors (see below), whose sum is σ = 45466140. Its totient is φ = 45439008.

The previous prime is 45452569. The next prime is 45452581. The reversal of 45452573 is 37525454.

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: 37525454 = 2 ⋅18762727.

It can be written as a sum of positive squares in 2 ways, for example, as 11847364 + 33605209 = 3442^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 45452573 - 2² = 45452569 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 (45452513) 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, 2273 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (11366535).

Almost surely, 2^45452573 is an apocalyptic number.

It is an amenable number.

45452573 is a deficient number, since it is larger than the sum of its proper divisors (13567).

45452573 is an equidigital number, since it uses as much as digits as its factorization.

45452573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566.

The product of its digits is 84000, while the sum is 35.

The square root of 45452573 is about 6741.8523419013. The cubic root of 45452573 is about 356.8777654845.

The spelling of 45452573 in words is "forty-five million, four hundred fifty-two thousand, five hundred seventy-three".