45455405 has 8 divisors (see below), whose sum is σ = 54591000. Its totient is φ = 36334656.

The previous prime is 45455401. The next prime is 45455437. The reversal of 45455405 is 50455454.

45455405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 45454564 = 29^2 + 6742^2 .

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 45455405 - 2² = 45455401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455401) by changing a digit.

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, 4811 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (6823875).

Almost surely, 2^45455405 is an apocalyptic number.

It is an amenable number.

45455405 is a deficient number, since it is larger than the sum of its proper divisors (9135595).

45455405 is a wasteful number, since it uses less digits than its factorization.

45455405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 45455405 is about 6742.0623699281. The cubic root of 45455405 is about 356.8851772897.

The spelling of 45455405 in words is "forty-five million, four hundred fifty-five thousand, four hundred five".