409774145 has 16 divisors (see below), whose sum is σ = 537001920. Its totient is φ = 297700800.

The previous prime is 409774117. The next prime is 409774163. The reversal of 409774145 is 541477904.

It is not a de Polignac number, because 409774145 - 2⁶ = 409774081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56591 + ... + 63419.

It is an arithmetic number, because the mean of its divisors is an integer number (33562620).

Almost surely, 2^409774145 is an apocalyptic number.

It is an amenable number.

409774145 is a deficient number, since it is larger than the sum of its proper divisors (127227775).

409774145 is a wasteful number, since it uses less digits than its factorization.

409774145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 409774145 is about 20242.8788713463. The cubic root of 409774145 is about 742.7594470970.

The spelling of 409774145 in words is "four hundred nine million, seven hundred seventy-four thousand, one hundred forty-five".