45421205 has 8 divisors (see below), whose sum is σ = 56875392. Its totient is φ = 34757008.

The previous prime is 45421193. The next prime is 45421213. The reversal of 45421205 is 50212454.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45421205 - 2²² = 41226901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197369 + ... + 197598.

It is an arithmetic number, because the mean of its divisors is an integer number (7109424).

Almost surely, 2^45421205 is an apocalyptic number.

It is an amenable number.

45421205 is a deficient number, since it is larger than the sum of its proper divisors (11454187).

45421205 is a wasteful number, since it uses less digits than its factorization.

45421205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394995.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45421205 is about 6739.5255767747. The cubic root of 45421205 is about 356.7956497229.

Adding to 45421205 its reverse (50212454), we get a palindrome (95633659).

The spelling of 45421205 in words is "forty-five million, four hundred twenty-one thousand, two hundred five".