153228985 has 16 divisors (see below), whose sum is σ = 226308096. Its totient is φ = 96988608.

The previous prime is 153228949. The next prime is 153228991. The reversal of 153228985 is 589822351.

It is a cyclic number.

It is not a de Polignac number, because 153228985 - 2⁷ = 153228857 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, 167929 + ... + 168838.

It is an arithmetic number, because the mean of its divisors is an integer number (14144256).

Almost surely, 2^153228985 is an apocalyptic number.

It is an amenable number.

153228985 is a deficient number, since it is larger than the sum of its proper divisors (73079111).

153228985 is a wasteful number, since it uses less digits than its factorization.

153228985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336792.

The product of its digits is 172800, while the sum is 43.

The square root of 153228985 is about 12378.5695861840. The cubic root of 153228985 is about 535.1148150820.

The spelling of 153228985 in words is "one hundred fifty-three million, two hundred twenty-eight thousand, nine hundred eighty-five".