150900081 has 4 divisors (see below), whose sum is σ = 201200112. Its totient is φ = 100600052.

The previous prime is 150900073. The next prime is 150900089. The reversal of 150900081 is 180009051.

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 an interprime number because it is at equal distance from previous prime (150900073) and next prime (150900089).

It is a cyclic number.

It is not a de Polignac number, because 150900081 - 2³ = 150900073 is a prime.

It is a super-2 number, since 2×150900081² = 45541668891613122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150900089) 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, 25150011 + ... + 25150016.

It is an arithmetic number, because the mean of its divisors is an integer number (50300028).

Almost surely, 2^150900081 is an apocalyptic number.

It is an amenable number.

150900081 is a deficient number, since it is larger than the sum of its proper divisors (50300031).

150900081 is an equidigital number, since it uses as much as digits as its factorization.

150900081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50300030.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 150900081 is about 12284.1394081962. The cubic root of 150900081 is about 532.3899201581.

The spelling of 150900081 in words is "one hundred fifty million, nine hundred thousand, eighty-one".