150019 has 4 divisors (see below), whose sum is σ = 153720. Its totient is φ = 146320.

The previous prime is 150011. The next prime is 150041. The reversal of 150019 is 910051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150019 - 2³ = 150011 is a prime.

It is a super-2 number, since 2×150019² = 45011400722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149984 and 150011.

It is not an unprimeable number, because it can be changed into a prime (150011) 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, 1789 + ... + 1870.

It is an arithmetic number, because the mean of its divisors is an integer number (38430).

2¹⁵⁰⁰¹⁹ is an apocalyptic number.

150019 is a deficient number, since it is larger than the sum of its proper divisors (3701).

150019 is an equidigital number, since it uses as much as digits as its factorization.

150019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 150019 is about 387.3228627386. The cubic root of 150019 is about 53.1351717547.

The spelling of 150019 in words is "one hundred fifty thousand, nineteen".