1428745184 has 12 divisors (see below), whose sum is σ = 2812842144. Its totient is φ = 714372576.

The previous prime is 1428745183. The next prime is 1428745187. The reversal of 1428745184 is 4815478241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428745181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22324112 + ... + 22324175.

It is an arithmetic number, because the mean of its divisors is an integer number (234403512).

Almost surely, 2^1428745184 is an apocalyptic number.

It is an amenable number.

1428745184 is a deficient number, since it is larger than the sum of its proper divisors (1384096960).

1428745184 is an equidigital number, since it uses as much as digits as its factorization.

1428745184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44648297 (or 44648289 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 1428745184 is about 37798.7457992987. The cubic root of 1428745184 is about 1126.2935399852.

The spelling of 1428745184 in words is "one billion, four hundred twenty-eight million, seven hundred forty-five thousand, one hundred eighty-four".