45452005 has 8 divisors (see below), whose sum is σ = 55571832. Its totient is φ = 35675328.

The previous prime is 45451957. The next prime is 45452023. The reversal of 45452005 is 50025454.

It can be written as a sum of positive squares in 4 ways, for example, as 23493409 + 21958596 = 4847^2 + 4686^2 .

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 45452005 - 2¹⁵ = 45419237 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 7 ways as a sum of consecutive naturals, for example, 85494 + ... + 86023.

It is an arithmetic number, because the mean of its divisors is an integer number (6946479).

Almost surely, 2^45452005 is an apocalyptic number.

It is an amenable number.

45452005 is a deficient number, since it is larger than the sum of its proper divisors (10119827).

45452005 is a wasteful number, since it uses less digits than its factorization.

45452005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171575.

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

The square root of 45452005 is about 6741.8102168483. The cubic root of 45452005 is about 356.8762788990.

Adding to 45452005 its reverse (50025454), we get a palindrome (95477459).

The spelling of 45452005 in words is "forty-five million, four hundred fifty-two thousand, five".