45496521 has 12 divisors (see below), whose sum is σ = 75105472. Its totient is φ = 25997976.

The previous prime is 45496519. The next prime is 45496547. The reversal of 45496521 is 12569454.

45496521 is a `hidden beast` number, since 45 + 4 + 96 + 521 = 666.

45496521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45496521 - 2¹ = 45496519 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45496571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361021 + ... + 361146.

Almost surely, 2^45496521 is an apocalyptic number.

It is an amenable number.

45496521 is a deficient number, since it is larger than the sum of its proper divisors (29608951).

45496521 is a wasteful number, since it uses less digits than its factorization.

45496521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722180 (or 722177 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45496521 is about 6745.1108960491. The cubic root of 45496521 is about 356.9927498940.

The spelling of 45496521 in words is "forty-five million, four hundred ninety-six thousand, five hundred twenty-one".