1284475045 has 16 divisors (see below), whose sum is σ = 1772380800. Its totient is φ = 875375424.

The previous prime is 1284475033. The next prime is 1284475051. The reversal of 1284475045 is 5405744821.

It is not a de Polignac number, because 1284475045 - 2⁹ = 1284474533 is a prime.

It is a super-2 number, since 2×1284475045² = 3299752282455504050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1284474989 and 1284475007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106870 + ... + 118279.

It is an arithmetic number, because the mean of its divisors is an integer number (110773800).

Almost surely, 2^1284475045 is an apocalyptic number.

It is an amenable number.

1284475045 is a deficient number, since it is larger than the sum of its proper divisors (487905755).

1284475045 is a wasteful number, since it uses less digits than its factorization.

1284475045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225324.

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 1284475045 is about 35839.5737279338. The cubic root of 1284475045 is about 1087.0309020988.

The spelling of 1284475045 in words is "one billion, two hundred eighty-four million, four hundred seventy-five thousand, forty-five".