428145074 has 8 divisors (see below), whose sum is σ = 733963008. Its totient is φ = 183490740.

The previous prime is 428145013. The next prime is 428145079. The reversal of 428145074 is 470541824.

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

It is not an unprimeable number, because it can be changed into a prime (428145079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15290882 + ... + 15290909.

It is an arithmetic number, because the mean of its divisors is an integer number (91745376).

Almost surely, 2^428145074 is an apocalyptic number.

428145074 is a deficient number, since it is larger than the sum of its proper divisors (305817934).

428145074 is a wasteful number, since it uses less digits than its factorization.

428145074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581800.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 428145074 is about 20691.6667767486. Note that the first 3 decimals coincide. The cubic root of 428145074 is about 753.6973423350.

Adding to 428145074 its reverse (470541824), we get a palindrome (898686898).

The spelling of 428145074 in words is "four hundred twenty-eight million, one hundred forty-five thousand, seventy-four".