45452503521 has 48 divisors (see below), whose sum is σ = 69507809280. Its totient is φ = 28578221280.

The previous prime is 45452503501. The next prime is 45452503529. The reversal of 45452503521 is 12530525454.

45452503521 is a `hidden beast` number, since 4 + 54 + 5 + 250 + 352 + 1 = 666.

It is not a de Polignac number, because 45452503521 - 2¹⁴ = 45452487137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45452503529) 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 47 ways as a sum of consecutive naturals, for example, 3126756 + ... + 3141258.

It is an arithmetic number, because the mean of its divisors is an integer number (1448079360).

Almost surely, 2^45452503521 is an apocalyptic number.

It is an amenable number.

45452503521 is a deficient number, since it is larger than the sum of its proper divisors (24055305759).

45452503521 is a wasteful number, since it uses less digits than its factorization.

45452503521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14826 (or 14823 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 45452503521 in words is "forty-five billion, four hundred fifty-two million, five hundred three thousand, five hundred twenty-one".