45537529 has 4 divisors (see below), whose sum is σ = 45843300. Its totient is φ = 45231760.

The previous prime is 45537521. The next prime is 45537533. The reversal of 45537529 is 92573554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92573554 = 2 ⋅46286777.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 40005625 = 2352^2 + 6325^2 .

It is a cyclic number.

It is not a de Polignac number, because 45537529 - 2³ = 45537521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45537491 and 45537500.

It is not an unprimeable number, because it can be changed into a prime (45537521) 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, 152662 + ... + 152959.

It is an arithmetic number, because the mean of its divisors is an integer number (11460825).

Almost surely, 2^45537529 is an apocalyptic number.

It is an amenable number.

45537529 is a deficient number, since it is larger than the sum of its proper divisors (305771).

45537529 is a wasteful number, since it uses less digits than its factorization.

45537529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305770.

The product of its digits is 189000, while the sum is 40.

The square root of 45537529 is about 6748.1500427895. The cubic root of 45537529 is about 357.0999754000.

The spelling of 45537529 in words is "forty-five million, five hundred thirty-seven thousand, five hundred twenty-nine".