45405214 has 4 divisors (see below), whose sum is σ = 68107824. Its totient is φ = 22702606.

The previous prime is 45405209. The next prime is 45405223. The reversal of 45405214 is 41250454.

It is a happy number.

45405214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 11351302 + ... + 11351305.

It is an arithmetic number, because the mean of its divisors is an integer number (17026956).

Almost surely, 2^45405214 is an apocalyptic number.

45405214 is a deficient number, since it is larger than the sum of its proper divisors (22702610).

45405214 is a wasteful number, since it uses less digits than its factorization.

45405214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702609.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45405214 is about 6738.3391128675. The cubic root of 45405214 is about 356.7537736217.

Adding to 45405214 its reverse (41250454), we get a palindrome (86655668).

The spelling of 45405214 in words is "forty-five million, four hundred five thousand, two hundred fourteen".