150218081 has 8 divisors (see below), whose sum is σ = 161878080. Its totient is φ = 138573072.

The previous prime is 150218077. The next prime is 150218111. The reversal of 150218081 is 180812051.

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

It is a cyclic number.

It is not a de Polignac number, because 150218081 - 2² = 150218077 is a prime.

It is a super-2 number, since 2×150218081² = 45130943718645122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150218081.

It is not an unprimeable number, because it can be changed into a prime (150218011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25676 + ... + 30978.

It is an arithmetic number, because the mean of its divisors is an integer number (20234760).

Almost surely, 2^150218081 is an apocalyptic number.

It is an amenable number.

150218081 is a deficient number, since it is larger than the sum of its proper divisors (11659999).

150218081 is a wasteful number, since it uses less digits than its factorization.

150218081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 150218081 is about 12256.3485998074. The cubic root of 150218081 is about 531.5866550629.

The spelling of 150218081 in words is "one hundred fifty million, two hundred eighteen thousand, eighty-one".