150689 has 16 divisors (see below), whose sum is σ = 199680. Its totient is φ = 110160.

The previous prime is 150659. The next prime is 150697. The reversal of 150689 is 986051.

150689 = 112² + 113² + ... + 122².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (12480).

2¹⁵⁰⁶⁸⁹ is an apocalyptic number.

150689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

150689 is a deficient number, since it is larger than the sum of its proper divisors (48991).

150689 is a wasteful number, since it uses less digits than its factorization.

150689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 150689 is about 388.1868106981. The cubic root of 150689 is about 53.2141566336.

The spelling of 150689 in words is "one hundred fifty thousand, six hundred eighty-nine".