45421235 has 8 divisors (see below), whose sum is σ = 55835136. Its totient is φ = 35450560.

The previous prime is 45421219. The next prime is 45421241. The reversal of 45421235 is 53212454.

It is a happy number.

45421235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45421235 - 2⁴ = 45421219 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 110579 + ... + 110988.

It is an arithmetic number, because the mean of its divisors is an integer number (6979392).

Almost surely, 2^45421235 is an apocalyptic number.

45421235 is a deficient number, since it is larger than the sum of its proper divisors (10413901).

45421235 is a wasteful number, since it uses less digits than its factorization.

45421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221613.

The product of its digits is 4800, while the sum is 26.

The square root of 45421235 is about 6739.5278024503. The cubic root of 45421235 is about 356.7957282756.

Adding to 45421235 its reverse (53212454), we get a palindrome (98633689).

The spelling of 45421235 in words is "forty-five million, four hundred twenty-one thousand, two hundred thirty-five".