45421311 has 16 divisors (see below), whose sum is σ = 66985184. Its totient is φ = 27195264.

The previous prime is 45421261. The next prime is 45421319. The reversal of 45421311 is 11312454.

It is not a de Polignac number, because 45421311 - 2⁷ = 45421183 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14296 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (4186574).

Almost surely, 2^45421311 is an apocalyptic number.

45421311 is a deficient number, since it is larger than the sum of its proper divisors (21563873).

45421311 is a wasteful number, since it uses less digits than its factorization.

45421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31530.

The product of its digits is 480, while the sum is 21.

The square root of 45421311 is about 6739.5334408251. The cubic root of 45421311 is about 356.7959272754.

Adding to 45421311 its reverse (11312454), we get a palindrome (56733765).

The spelling of 45421311 in words is "forty-five million, four hundred twenty-one thousand, three hundred eleven".