1774485145 has 8 divisors (see below), whose sum is σ = 2241455040. Its totient is φ = 1344872880.

The previous prime is 1774485127. The next prime is 1774485149. The reversal of 1774485145 is 5415844771.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1774485145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1774485095 and 1774485104.

It is not an unprimeable number, because it can be changed into a prime (1774485149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9339301 + ... + 9339490.

It is an arithmetic number, because the mean of its divisors is an integer number (280181880).

Almost surely, 2^1774485145 is an apocalyptic number.

It is an amenable number.

1774485145 is a deficient number, since it is larger than the sum of its proper divisors (466969895).

1774485145 is a wasteful number, since it uses less digits than its factorization.

1774485145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18678815.

The product of its digits is 627200, while the sum is 46.

The square root of 1774485145 is about 42124.6382180310. The cubic root of 1774485145 is about 1210.6653775028.

The spelling of 1774485145 in words is "one billion, seven hundred seventy-four million, four hundred eighty-five thousand, one hundred forty-five".