45521343 has 36 divisors (see below), whose sum is σ = 77271480. Its totient is φ = 25746336.

The previous prime is 45521339. The next prime is 45521353. The reversal of 45521343 is 34312554.

It is not a de Polignac number, because 45521343 - 2² = 45521339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521323) 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 35 ways as a sum of consecutive naturals, for example, 47596 + ... + 48542.

It is an arithmetic number, because the mean of its divisors is an integer number (2146430).

Almost surely, 2^45521343 is an apocalyptic number.

45521343 is a deficient number, since it is larger than the sum of its proper divisors (31750137).

45521343 is a wasteful number, since it uses less digits than its factorization.

45521343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1066 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 45521343 is about 6746.9506445505. The cubic root of 45521343 is about 357.0576608133.

Adding to 45521343 its reverse (34312554), we get a palindrome (79833897).

The spelling of 45521343 in words is "forty-five million, five hundred twenty-one thousand, three hundred forty-three".