150808961 has 6 divisors (see below), whose sum is σ = 156189462. Its totient is φ = 145607840.

The previous prime is 150808951. The next prime is 150808963. The reversal of 150808961 is 169808051.

It can be written as a sum of positive squares in 3 ways, for example, as 31584400 + 119224561 = 5620^2 + 10919^2 .

It is a de Polignac number, because none of the positive numbers 2^k-150808961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150808963) 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 5 ways as a sum of consecutive naturals, for example, 88820 + ... + 90501.

It is an arithmetic number, because the mean of its divisors is an integer number (26031577).

Almost surely, 2^150808961 is an apocalyptic number.

It is an amenable number.

150808961 is a deficient number, since it is larger than the sum of its proper divisors (5380501).

150808961 is an equidigital number, since it uses as much as digits as its factorization.

150808961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179379 (or 179350 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 150808961 is about 12280.4300006148. The cubic root of 150808961 is about 532.2827385562.

The spelling of 150808961 in words is "one hundred fifty million, eight hundred eight thousand, nine hundred sixty-one".