45405655 has 16 divisors (see below), whose sum is σ = 56746368. Its totient is φ = 34848000.

The previous prime is 45405653. The next prime is 45405667. The reversal of 45405655 is 55650454.

It is not a de Polignac number, because 45405655 - 2¹ = 45405653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45405655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10690 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (3546648).

Almost surely, 2^45405655 is an apocalyptic number.

45405655 is a deficient number, since it is larger than the sum of its proper divisors (11340713).

45405655 is a wasteful number, since it uses less digits than its factorization.

45405655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 45405655 is about 6738.3718359853. The cubic root of 45405655 is about 356.7549286132.

The spelling of 45405655 in words is "forty-five million, four hundred five thousand, six hundred fifty-five".