4521533445 has 96 divisors (see below), whose sum is σ = 9285179904. Its totient is φ = 2023274880.

The previous prime is 4521533431. The next prime is 4521533473. The reversal of 4521533445 is 5443351254.

It is not a de Polignac number, because 4521533445 - 2¹⁷ = 4521402373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 775732 + ... + 781538.

It is an arithmetic number, because the mean of its divisors is an integer number (96720624).

Almost surely, 2^4521533445 is an apocalyptic number.

4521533445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4521533445 is an abundant number, since it is smaller than the sum of its proper divisors (4763646459).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4521533445 is a wasteful number, since it uses less digits than its factorization.

4521533445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864 (or 5839 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4521533445 is about 67242.3485981862. The cubic root of 4521533445 is about 1653.5928376656.

Adding to 4521533445 its reverse (5443351254), we get a palindrome (9964884699).

The spelling of 4521533445 in words is "four billion, five hundred twenty-one million, five hundred thirty-three thousand, four hundred forty-five".