419758145 has 16 divisors (see below), whose sum is σ = 515529360. Its totient is φ = 327984384.

The previous prime is 419758117. The next prime is 419758147. The reversal of 419758145 is 541857914.

It is a Cunningham number, because it is equal to 20488²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 57274624 + 362483521 = 7568^2 + 19039^2 .

It is a cyclic number.

It is not a de Polignac number, because 419758145 - 2¹⁴ = 419741761 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 419758096 and 419758105.

It is not an unprimeable number, because it can be changed into a prime (419758147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57227 + ... + 64143.

It is an arithmetic number, because the mean of its divisors is an integer number (32220585).

Almost surely, 2^419758145 is an apocalyptic number.

It is an amenable number.

419758145 is a deficient number, since it is larger than the sum of its proper divisors (95771215).

419758145 is a wasteful number, since it uses less digits than its factorization.

419758145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204.

The product of its digits is 201600, while the sum is 44.

The square root of 419758145 is about 20488.0000244045. Note that the first 4 decimals coincide. The cubic root of 419758145 is about 748.7434634041.

The spelling of 419758145 in words is "four hundred nineteen million, seven hundred fifty-eight thousand, one hundred forty-five".