150661109 has 8 divisors (see below), whose sum is σ = 158006400. Its totient is φ = 143382096.

The previous prime is 150661099. The next prime is 150661111. The reversal of 150661109 is 901166051.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150661109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150661129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11882 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (19750800).

Almost surely, 2^150661109 is an apocalyptic number.

It is an amenable number.

150661109 is a deficient number, since it is larger than the sum of its proper divisors (7345291).

150661109 is a wasteful number, since it uses less digits than its factorization.

150661109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33139.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 150661109 is about 12274.4087026626. The cubic root of 150661109 is about 532.1087329807.

The spelling of 150661109 in words is "one hundred fifty million, six hundred sixty-one thousand, one hundred nine".