45404045 has 8 divisors (see below), whose sum is σ = 55024920. Its totient is φ = 35963200.

The previous prime is 45404041. The next prime is 45404063. The reversal of 45404045 is 54040454.

It can be written as a sum of positive squares in 4 ways, for example, as 7038409 + 38365636 = 2653^2 + 6194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45404045 - 2² = 45404041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45404041) 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, 44450 + ... + 45459.

It is an arithmetic number, because the mean of its divisors is an integer number (6878115).

Almost surely, 2^45404045 is an apocalyptic number.

It is an amenable number.

45404045 is a deficient number, since it is larger than the sum of its proper divisors (9620875).

45404045 is a wasteful number, since it uses less digits than its factorization.

45404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90015.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45404045 is about 6738.2523698656. The cubic root of 45404045 is about 356.7507119415.

Adding to 45404045 its reverse (54040454), we get a palindrome (99444499).

The spelling of 45404045 in words is "forty-five million, four hundred four thousand, forty-five".