153730985 has 8 divisors (see below), whose sum is σ = 184551936. Its totient is φ = 122934960.

The previous prime is 153730981. The next prime is 153730987. The reversal of 153730985 is 589037351.

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 153730985 - 2² = 153730981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153730981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12422 + ... + 21488.

It is an arithmetic number, because the mean of its divisors is an integer number (23068992).

Almost surely, 2^153730985 is an apocalyptic number.

It is an amenable number.

153730985 is a deficient number, since it is larger than the sum of its proper divisors (30820951).

153730985 is an equidigital number, since it uses as much as digits as its factorization.

153730985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 153730985 is about 12398.8299851236. The cubic root of 153730985 is about 535.6985488880.

The spelling of 153730985 in words is "one hundred fifty-three million, seven hundred thirty thousand, nine hundred eighty-five".