1428208045 has 16 divisors (see below), whose sum is σ = 1875650112. Its totient is φ = 1035365760.

The previous prime is 1428208043. The next prime is 1428208049. The reversal of 1428208045 is 5408028241.

It is not a de Polignac number, because 1428208045 - 2¹ = 1428208043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428208045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428208043) 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, 24267 + ... + 58696.

It is an arithmetic number, because the mean of its divisors is an integer number (117228132).

Almost surely, 2^1428208045 is an apocalyptic number.

It is an amenable number.

1428208045 is a deficient number, since it is larger than the sum of its proper divisors (447442067).

1428208045 is a wasteful number, since it uses less digits than its factorization.

1428208045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83292.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 1428208045 is about 37791.6398823867. The cubic root of 1428208045 is about 1126.1523783509.

The spelling of 1428208045 in words is "one billion, four hundred twenty-eight million, two hundred eight thousand, forty-five".