150399 has 12 divisors (see below), whose sum is σ = 230256. Its totient is φ = 94272.

The previous prime is 150383. The next prime is 150401. The reversal of 150399 is 993051.

It is not a de Polignac number, because 150399 - 2⁴ = 150383 is a prime.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (19188).

2¹⁵⁰³⁹⁹ is an apocalyptic number.

150399 is a deficient number, since it is larger than the sum of its proper divisors (79857).

150399 is a wasteful number, since it uses less digits than its factorization.

150399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 150399 is about 387.8130993146. The cubic root of 150399 is about 53.1799979454.

Adding to 150399 its sum of digits (27), we get a triangular number (150426 = T₅₄₈).

The spelling of 150399 in words is "one hundred fifty thousand, three hundred ninety-nine".