45521153 has 4 divisors (see below), whose sum is σ = 46162368. Its totient is φ = 44879940.

The previous prime is 45521141. The next prime is 45521167. The reversal of 45521153 is 35112554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35112554 = 2 ⋅17556277.

It is a cyclic number.

It is not a de Polignac number, because 45521153 - 2⁶ = 45521089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45521353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320501 + ... + 320642.

It is an arithmetic number, because the mean of its divisors is an integer number (11540592).

Almost surely, 2^45521153 is an apocalyptic number.

It is an amenable number.

45521153 is a deficient number, since it is larger than the sum of its proper divisors (641215).

45521153 is an equidigital number, since it uses as much as digits as its factorization.

45521153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641214.

The product of its digits is 3000, while the sum is 26.

The square root of 45521153 is about 6746.9365641008. The cubic root of 45521153 is about 357.0571640423.

The spelling of 45521153 in words is "forty-five million, five hundred twenty-one thousand, one hundred fifty-three".