45542005 has 8 divisors (see below), whose sum is σ = 56127672. Its totient is φ = 35448768.

The previous prime is 45541981. The next prime is 45542009. The reversal of 45542005 is 50024554.

It can be written as a sum of positive squares in 4 ways, for example, as 17589636 + 27952369 = 4194^2 + 5287^2 .

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 45542005 - 2⁵ = 45541973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122902 + ... + 123271.

It is an arithmetic number, because the mean of its divisors is an integer number (7015959).

Almost surely, 2^45542005 is an apocalyptic number.

It is an amenable number.

45542005 is a deficient number, since it is larger than the sum of its proper divisors (10585667).

45542005 is a wasteful number, since it uses less digits than its factorization.

45542005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246215.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45542005 is about 6748.4816810895. The cubic root of 45542005 is about 357.1116751062. Note that the first 3 decimals are identical.

Adding to 45542005 its reverse (50024554), we get a palindrome (95566559).

The spelling of 45542005 in words is "forty-five million, five hundred forty-two thousand, five".