150345999 has 12 divisors (see below), whose sum is σ = 217690200. Its totient is φ = 99988944.

The previous prime is 150345971. The next prime is 150346033. The reversal of 150345999 is 999543051.

It is a happy number.

150345999 is a `hidden beast` number, since 1 + 50 + 3 + 4 + 599 + 9 = 666.

150345999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150345999 - 2⁵ = 150345967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150345929) 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, 16164 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (18140850).

Almost surely, 2^150345999 is an apocalyptic number.

150345999 is a deficient number, since it is larger than the sum of its proper divisors (67344201).

150345999 is a wasteful number, since it uses less digits than its factorization.

150345999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40294 (or 40291 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 150345999 is about 12261.5659277272. The cubic root of 150345999 is about 531.7375028809.

The spelling of 150345999 in words is "one hundred fifty million, three hundred forty-five thousand, nine hundred ninety-nine".