1428414945 has 16 divisors (see below), whose sum is σ = 2290056000. Its totient is φ = 760290624.

The previous prime is 1428414941. The next prime is 1428414947. The reversal of 1428414945 is 5494148241.

It is not a de Polignac number, because 1428414945 - 2² = 1428414941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428414897 and 1428414906.

It is not an unprimeable number, because it can be changed into a prime (1428414941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87934 + ... + 102903.

It is an arithmetic number, because the mean of its divisors is an integer number (143128500).

Almost surely, 2^1428414945 is an apocalyptic number.

1428414945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1428414945 is a deficient number, since it is larger than the sum of its proper divisors (861641055).

1428414945 is a wasteful number, since it uses less digits than its factorization.

1428414945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191344.

The product of its digits is 184320, while the sum is 42.

The square root of 1428414945 is about 37794.3771611598. The cubic root of 1428414945 is about 1126.2067564409.

The spelling of 1428414945 in words is "one billion, four hundred twenty-eight million, four hundred fourteen thousand, nine hundred forty-five".