150217081 has 4 divisors (see below), whose sum is σ = 171676672. Its totient is φ = 128757492.

The previous prime is 150217079. The next prime is 150217099. The reversal of 150217081 is 180712051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150217081 - 2¹ = 150217079 is a prime.

It is a super-2 number, since 2×150217081² = 45130342848321122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150217061) 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, 10729785 + ... + 10729798.

It is an arithmetic number, because the mean of its divisors is an integer number (42919168).

Almost surely, 2^150217081 is an apocalyptic number.

It is an amenable number.

150217081 is a deficient number, since it is larger than the sum of its proper divisors (21459591).

150217081 is an equidigital number, since it uses as much as digits as its factorization.

150217081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459590.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 150217081 is about 12256.3078045552. The cubic root of 150217081 is about 531.5854754716.

The spelling of 150217081 in words is "one hundred fifty million, two hundred seventeen thousand, eighty-one".