150934181 has 4 divisors (see below), whose sum is σ = 150980172. Its totient is φ = 150888192.

The previous prime is 150934163. The next prime is 150934193. The reversal of 150934181 is 181439051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49126081 + 101808100 = 7009^2 + 10090^2 .

It is a cyclic number.

It is not a de Polignac number, because 150934181 - 2¹⁴ = 150917797 is a prime.

It is a super-2 number, since 2×150934181² = 45562253988281522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150934481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17660 + ... + 24773.

It is an arithmetic number, because the mean of its divisors is an integer number (37745043).

Almost surely, 2^150934181 is an apocalyptic number.

It is an amenable number.

150934181 is a deficient number, since it is larger than the sum of its proper divisors (45991).

150934181 is an equidigital number, since it uses as much as digits as its factorization.

150934181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45990.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 150934181 is about 12285.5272984109. The cubic root of 150934181 is about 532.4300198250.

The spelling of 150934181 in words is "one hundred fifty million, nine hundred thirty-four thousand, one hundred eighty-one".