153196985 has 8 divisors (see below), whose sum is σ = 184492296. Its totient is φ = 122120320.

The previous prime is 153196973. The next prime is 153196987. The reversal of 153196985 is 589691351.

It can be written as a sum of positive squares in 4 ways, for example, as 1882384 + 151314601 = 1372^2 + 12301^2 .

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

It is not a de Polignac number, because 153196985 - 2⁶ = 153196921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153196987) by changing a digit.

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, 53114 + ... + 55923.

It is an arithmetic number, because the mean of its divisors is an integer number (23061537).

Almost surely, 2^153196985 is an apocalyptic number.

It is an amenable number.

153196985 is a deficient number, since it is larger than the sum of its proper divisors (31295311).

153196985 is a wasteful number, since it uses less digits than its factorization.

153196985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109323.

The product of its digits is 291600, while the sum is 47.

The square root of 153196985 is about 12377.2769622401. The cubic root of 153196985 is about 535.0775617598.

The spelling of 153196985 in words is "one hundred fifty-three million, one hundred ninety-six thousand, nine hundred eighty-five".