45046145 has 4 divisors (see below), whose sum is σ = 54055380. Its totient is φ = 36036912.

The previous prime is 45046117. The next prime is 45046151. The reversal of 45046145 is 54164054.

45046145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33547264 + 11498881 = 5792^2 + 3391^2 .

It is a cyclic number.

It is not a de Polignac number, because 45046145 - 2¹⁶ = 44980609 is a prime.

It is a super-2 number, since 2×45046145² = 4058310358722050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504610 + ... + 4504619.

It is an arithmetic number, because the mean of its divisors is an integer number (13513845).

Almost surely, 2^45046145 is an apocalyptic number.

It is an amenable number.

45046145 is a deficient number, since it is larger than the sum of its proper divisors (9009235).

45046145 is an equidigital number, since it uses as much as digits as its factorization.

45046145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009234.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 45046145 is about 6711.6424964386. The cubic root of 45046145 is about 355.8108687975.

The spelling of 45046145 in words is "forty-five million, forty-six thousand, one hundred forty-five".