150596561 has 4 divisors (see below), whose sum is σ = 150956400. Its totient is φ = 150236724.

The previous prime is 150596519. The next prime is 150596599. The reversal of 150596561 is 165695051.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-150596561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150593561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179291 + ... + 180128.

It is an arithmetic number, because the mean of its divisors is an integer number (37739100).

Almost surely, 2^150596561 is an apocalyptic number.

It is an amenable number.

150596561 is a deficient number, since it is larger than the sum of its proper divisors (359839).

150596561 is an equidigital number, since it uses as much as digits as its factorization.

150596561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359838.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 150596561 is about 12271.7790478805. The cubic root of 150596561 is about 532.0327313704.

The spelling of 150596561 in words is "one hundred fifty million, five hundred ninety-six thousand, five hundred sixty-one".