150807581 has 2 divisors, whose sum is σ = 150807582. Its totient is φ = 150807580.

The previous prime is 150807557. The next prime is 150807583. The reversal of 150807581 is 185708051.

150807581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 51984100 = 9941^2 + 7210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150807581 is a prime.

It is a super-2 number, since 2×150807581² = 45485852974143122, which contains 22 as substring.

Together with 150807583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150807583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75403790 + 75403791.

It is an arithmetic number, because the mean of its divisors is an integer number (75403791).

Almost surely, 2^150807581 is an apocalyptic number.

It is an amenable number.

150807581 is a deficient number, since it is larger than the sum of its proper divisors (1).

150807581 is an equidigital number, since it uses as much as digits as its factorization.

150807581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 150807581 is about 12280.3738135286. The cubic root of 150807581 is about 532.2811149736.

The spelling of 150807581 in words is "one hundred fifty million, eight hundred seven thousand, five hundred eighty-one".