150705985 has 8 divisors (see below), whose sum is σ = 181766376. Its totient is φ = 119952000.

The previous prime is 150705941. The next prime is 150706033. The reversal of 150705985 is 589507051.

It can be written as a sum of positive squares in 4 ways, for example, as 16679056 + 134026929 = 4084^2 + 11577^2 .

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

It is not a de Polignac number, because 150705985 - 2⁷ = 150705857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75516 + ... + 77485.

It is an arithmetic number, because the mean of its divisors is an integer number (22720797).

Almost surely, 2^150705985 is an apocalyptic number.

It is an amenable number.

150705985 is a deficient number, since it is larger than the sum of its proper divisors (31060391).

150705985 is a wasteful number, since it uses less digits than its factorization.

150705985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153203.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 150705985 is about 12276.2365975897. The cubic root of 150705985 is about 532.1615591352.

The spelling of 150705985 in words is "one hundred fifty million, seven hundred five thousand, nine hundred eighty-five".