45421115 has 16 divisors (see below), whose sum is σ = 58713600. Its totient is φ = 33620832.

The previous prime is 45421099. The next prime is 45421133. The reversal of 45421115 is 51112454.

45421115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45421115 - 2⁴ = 45421099 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1475 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (3669600).

Almost surely, 2^45421115 is an apocalyptic number.

45421115 is a deficient number, since it is larger than the sum of its proper divisors (13292485).

45421115 is a wasteful number, since it uses less digits than its factorization.

45421115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11186.

The product of its digits is 800, while the sum is 23.

The square root of 45421115 is about 6739.5188997435. The cubic root of 45421115 is about 356.7954140648.

Adding to 45421115 its reverse (51112454), we get a palindrome (96533569).

The spelling of 45421115 in words is "forty-five million, four hundred twenty-one thousand, one hundred fifteen".