45305233421 has 4 divisors (see below), whose sum is σ = 51777409632. Its totient is φ = 38833057212.

The previous prime is 45305233399. The next prime is 45305233429. The reversal of 45305233421 is 12433250354.

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 45305233421 - 2⁶ = 45305233357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45305233429) 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 3 ways as a sum of consecutive naturals, for example, 3236088095 + ... + 3236088108.

It is an arithmetic number, because the mean of its divisors is an integer number (12944352408).

Almost surely, 2^45305233421 is an apocalyptic number.

It is an amenable number.

45305233421 is a deficient number, since it is larger than the sum of its proper divisors (6472176211).

45305233421 is an equidigital number, since it uses as much as digits as its factorization.

45305233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472176210.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 45305233421 its reverse (12433250354), we get a palindrome (57738483775).

The spelling of 45305233421 in words is "forty-five billion, three hundred five million, two hundred thirty-three thousand, four hundred twenty-one".