45508405 has 16 divisors (see below), whose sum is σ = 59171904. Its totient is φ = 33465600.

The previous prime is 45508391. The next prime is 45508417. The reversal of 45508405 is 50480554.

It is not a de Polignac number, because 45508405 - 2⁹ = 45507893 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2571 + ... + 9880.

It is an arithmetic number, because the mean of its divisors is an integer number (3698244).

Almost surely, 2^45508405 is an apocalyptic number.

It is an amenable number.

45508405 is a deficient number, since it is larger than the sum of its proper divisors (13663499).

45508405 is a wasteful number, since it uses less digits than its factorization.

45508405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12516.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 45508405 is about 6745.9917728974. The cubic root of 45508405 is about 357.0238301642.

Adding to 45508405 its reverse (50480554), we get a palindrome (95988959).

It can be divided in two parts, 4 and 5508405, that added together give a square (5508409 = 2347²).

The spelling of 45508405 in words is "forty-five million, five hundred eight thousand, four hundred five".