153043985 has 8 divisors (see below), whose sum is σ = 187560576. Its totient is φ = 119830000.

The previous prime is 153043973. The next prime is 153043999. The reversal of 153043985 is 589340351.

It is a happy number.

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

It is not a de Polignac number, because 153043985 - 2¹⁸ = 152781841 is a prime.

It is a super-2 number, since 2×153043985² = 46844922689360450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325391 + ... + 325860.

It is an arithmetic number, because the mean of its divisors is an integer number (23445072).

Almost surely, 2^153043985 is an apocalyptic number.

It is an amenable number.

153043985 is a deficient number, since it is larger than the sum of its proper divisors (34516591).

153043985 is an equidigital number, since it uses as much as digits as its factorization.

153043985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651303.

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

The square root of 153043985 is about 12371.0947373302. The cubic root of 153043985 is about 534.8993725787.

The spelling of 153043985 in words is "one hundred fifty-three million, forty-three thousand, nine hundred eighty-five".