150099 has 4 divisors (see below), whose sum is σ = 200136. Its totient is φ = 100064.

The previous prime is 150097. The next prime is 150107. The reversal of 150099 is 990051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990051 = 3 ⋅330017.

It is a cyclic number.

It is not a de Polignac number, because 150099 - 2¹ = 150097 is a prime.

It is a D-number.

150099 is a modest number, since divided by 99 gives 15 as remainder.

It is not an unprimeable number, because it can be changed into a prime (150091) 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, 25014 + ... + 25019.

It is an arithmetic number, because the mean of its divisors is an integer number (50034).

2¹⁵⁰⁰⁹⁹ is an apocalyptic number.

150099 is a deficient number, since it is larger than the sum of its proper divisors (50037).

150099 is an equidigital number, since it uses as much as digits as its factorization.

150099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50036.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 150099 is about 387.4261219897. The cubic root of 150099 is about 53.1446151327.

The spelling of 150099 in words is "one hundred fifty thousand, ninety-nine".