45346521 has 32 divisors (see below), whose sum is σ = 71700480. Its totient is φ = 25185600.

The previous prime is 45346513. The next prime is 45346523. The reversal of 45346521 is 12564354.

It is not a de Polignac number, because 45346521 - 2³ = 45346513 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45346523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18271 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (2240640).

Almost surely, 2^45346521 is an apocalyptic number.

It is an amenable number.

45346521 is a deficient number, since it is larger than the sum of its proper divisors (26353959).

45346521 is a wasteful number, since it uses less digits than its factorization.

45346521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its digits is 14400, while the sum is 30.

The square root of 45346521 is about 6733.9825512099. The cubic root of 45346521 is about 356.5999882147.

The spelling of 45346521 in words is "forty-five million, three hundred forty-six thousand, five hundred twenty-one".