428486145 has 16 divisors (see below), whose sum is σ = 686530752. Its totient is φ = 228208320.

The previous prime is 428486141. The next prime is 428486147. The reversal of 428486145 is 541684824.

It is not a de Polignac number, because 428486145 - 2² = 428486141 is a prime.

It is a super-2 number, since 2×428486145² = 367200752913922050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428486097 and 428486106.

It is not an unprimeable number, because it can be changed into a prime (428486141) by changing a digit.

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, 8491 + ... + 30480.

It is an arithmetic number, because the mean of its divisors is an integer number (42908172).

Almost surely, 2^428486145 is an apocalyptic number.

It is an amenable number.

428486145 is a deficient number, since it is larger than the sum of its proper divisors (258044607).

428486145 is a wasteful number, since it uses less digits than its factorization.

428486145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39712.

The product of its digits is 245760, while the sum is 42.

The square root of 428486145 is about 20699.9068838485. The cubic root of 428486145 is about 753.8974272212.

The spelling of 428486145 in words is "four hundred twenty-eight million, four hundred eighty-six thousand, one hundred forty-five".