45405601 has 4 divisors (see below), whose sum is σ = 45732400. Its totient is φ = 45078804.

The previous prime is 45405599. The next prime is 45405629. The reversal of 45405601 is 10650454.

45405601 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45405601 - 2¹ = 45405599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45402601) 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 3 ways as a sum of consecutive naturals, for example, 163191 + ... + 163468.

It is an arithmetic number, because the mean of its divisors is an integer number (11433100).

Almost surely, 2^45405601 is an apocalyptic number.

It is an amenable number.

45405601 is a deficient number, since it is larger than the sum of its proper divisors (326799).

45405601 is a wasteful number, since it uses less digits than its factorization.

45405601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326798.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45405601 is about 6738.3678290815. The cubic root of 45405601 is about 356.7547871861.

The spelling of 45405601 in words is "forty-five million, four hundred five thousand, six hundred one".