45355321 has 4 divisors (see below), whose sum is σ = 49478544. Its totient is φ = 41232100.

The previous prime is 45355319. The next prime is 45355351. The reversal of 45355321 is 12355354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45355321 - 2¹ = 45355319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45355321.

It is not an unprimeable number, because it can be changed into a prime (45355351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061595 + ... + 2061616.

It is an arithmetic number, because the mean of its divisors is an integer number (12369636).

Almost surely, 2^45355321 is an apocalyptic number.

It is an amenable number.

45355321 is a deficient number, since it is larger than the sum of its proper divisors (4123223).

45355321 is a wasteful number, since it uses less digits than its factorization.

45355321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123222.

The product of its digits is 9000, while the sum is 28.

The square root of 45355321 is about 6734.6359218595. The cubic root of 45355321 is about 356.6230541291.

The spelling of 45355321 in words is "forty-five million, three hundred fifty-five thousand, three hundred twenty-one".