150816901 has 4 divisors (see below), whose sum is σ = 154495404. Its totient is φ = 147138400.

The previous prime is 150816863. The next prime is 150816917. The reversal of 150816901 is 109618051.

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 83740801 + 67076100 = 9151^2 + 8190^2 .

It is a cyclic number.

It is not a de Polignac number, because 150816901 - 2¹⁹ = 150292613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150816971) 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 3 ways as a sum of consecutive naturals, for example, 1839190 + ... + 1839271.

It is an arithmetic number, because the mean of its divisors is an integer number (38623851).

Almost surely, 2^150816901 is an apocalyptic number.

It is an amenable number.

150816901 is a deficient number, since it is larger than the sum of its proper divisors (3678503).

150816901 is an equidigital number, since it uses as much as digits as its factorization.

150816901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678502.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 150816901 is about 12280.7532749421. The cubic root of 150816901 is about 532.2920798464.

The spelling of 150816901 in words is "one hundred fifty million, eight hundred sixteen thousand, nine hundred one".