153009985 has 16 divisors (see below), whose sum is σ = 189101376. Its totient is φ = 118767168.

The previous prime is 153009973. The next prime is 153010009. The reversal of 153009985 is 589900351.

It is a cyclic number.

It is not a de Polignac number, because 153009985 - 2²¹ = 150912833 is a prime.

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, 81022 + ... + 82888.

It is an arithmetic number, because the mean of its divisors is an integer number (11818836).

Almost surely, 2^153009985 is an apocalyptic number.

It is an amenable number.

153009985 is a deficient number, since it is larger than the sum of its proper divisors (36091391).

153009985 is a wasteful number, since it uses less digits than its factorization.

153009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 153009985 is about 12369.7204899707. The cubic root of 153009985 is about 534.8597588567.

The spelling of 153009985 in words is "one hundred fifty-three million, nine thousand, nine hundred eighty-five".