153284778256 has 15 divisors (see below), whose sum is σ = 296992292151. Its totient is φ = 76641606096.

The previous prime is 153284778253. The next prime is 153284778299. The reversal of 153284778256 is 652877482351.

The square root of 153284778256 is 391516.

It is a perfect power (a square), and thus also a powerful number.

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 153284778256.

It is not an unprimeable number, because it can be changed into a prime (153284778253) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1517125 + ... + 1615003.

Almost surely, 2^153284778256 is an apocalyptic number.

153284778256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

153284778256 is the 391516-th square number.

It is an amenable number.

153284778256 is a deficient number, since it is larger than the sum of its proper divisors (143707513895).

153284778256 is an frugal number, since it uses more digits than its factorization.

153284778256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195766 (or 97881 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The spelling of 153284778256 in words is "one hundred fifty-three billion, two hundred eighty-four million, seven hundred seventy-eight thousand, two hundred fifty-six".