153322985 has 8 divisors (see below), whose sum is σ = 188475336. Its totient is φ = 119666560.

The previous prime is 153322979. The next prime is 153322999. The reversal of 153322985 is 589223351.

It can be written as a sum of positive squares in 4 ways, for example, as 9634816 + 143688169 = 3104^2 + 11987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153322985 - 2⁴ = 153322969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373754 + ... + 374163.

It is an arithmetic number, because the mean of its divisors is an integer number (23559417).

Almost surely, 2^153322985 is an apocalyptic number.

It is an amenable number.

153322985 is a deficient number, since it is larger than the sum of its proper divisors (35152351).

153322985 is an equidigital number, since it uses as much as digits as its factorization.

153322985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747963.

The product of its digits is 64800, while the sum is 38.

The square root of 153322985 is about 12382.3658886337. The cubic root of 153322985 is about 535.2242167297.

The spelling of 153322985 in words is "one hundred fifty-three million, three hundred twenty-two thousand, nine hundred eighty-five".