45405105 has 32 divisors (see below), whose sum is σ = 77877504. Its totient is φ = 22530816.

The previous prime is 45405103. The next prime is 45405121. The reversal of 45405105 is 50150454.

It is not a de Polignac number, because 45405105 - 2¹ = 45405103 is a prime.

It is a super-2 number, since 2×45405105² = 4123247120122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45405103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10987 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (2433672).

Almost surely, 2^45405105 is an apocalyptic number.

It is an amenable number.

45405105 is a deficient number, since it is larger than the sum of its proper divisors (32472399).

45405105 is a wasteful number, since it uses less digits than its factorization.

45405105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45405105 is about 6738.3310248162. The cubic root of 45405105 is about 356.7534881465.

Adding to 45405105 its reverse (50150454), we get a palindrome (95555559).

The spelling of 45405105 in words is "forty-five million, four hundred five thousand, one hundred five".