45342005 has 4 divisors (see below), whose sum is σ = 54410412. Its totient is φ = 36273600.

The previous prime is 45341969. The next prime is 45342013. The reversal of 45342005 is 50024354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28111204 + 17230801 = 5302^2 + 4151^2 .

It is not a de Polignac number, because 45342005 - 2¹⁸ = 45079861 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 3 ways as a sum of consecutive naturals, for example, 4534196 + ... + 4534205.

It is an arithmetic number, because the mean of its divisors is an integer number (13602603).

Almost surely, 2^45342005 is an apocalyptic number.

It is an amenable number.

45342005 is a deficient number, since it is larger than the sum of its proper divisors (9068407).

45342005 is an equidigital number, since it uses as much as digits as its factorization.

45342005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068406.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45342005 is about 6733.6472286570. The cubic root of 45342005 is about 356.5881500481.

Adding to 45342005 its reverse (50024354), we get a palindrome (95366359).

The spelling of 45342005 in words is "forty-five million, three hundred forty-two thousand, five".