45352821 has 8 divisors (see below), whose sum is σ = 64027584. Its totient is φ = 28456640.

The previous prime is 45352807. The next prime is 45352871. The reversal of 45352821 is 12825354.

45352821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45352821 - 2¹⁴ = 45336437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45352871) 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 7 ways as a sum of consecutive naturals, for example, 444585 + ... + 444686.

It is an arithmetic number, because the mean of its divisors is an integer number (8003448).

Almost surely, 2^45352821 is an apocalyptic number.

It is an amenable number.

45352821 is a deficient number, since it is larger than the sum of its proper divisors (18674763).

45352821 is a wasteful number, since it uses less digits than its factorization.

45352821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889291.

The product of its digits is 9600, while the sum is 30.

The square root of 45352821 is about 6734.4503116439. The cubic root of 45352821 is about 356.6165016159.

The spelling of 45352821 in words is "forty-five million, three hundred fifty-two thousand, eight hundred twenty-one".