150038986 has 4 divisors (see below), whose sum is σ = 225058482. Its totient is φ = 75019492.

The previous prime is 150038981. The next prime is 150039007. The reversal of 150038986 is 689830051.

It is a happy number.

150038986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689830051 = 2399 ⋅287549.

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 20875761 = 11365^2 + 4569^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (150038981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37509745 + ... + 37509748.

Almost surely, 2^150038986 is an apocalyptic number.

150038986 is a deficient number, since it is larger than the sum of its proper divisors (75019496).

150038986 is an equidigital number, since it uses as much as digits as its factorization.

150038986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75019495.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 150038986 is about 12249.0402072979. The cubic root of 150038986 is about 531.3753126116.

The spelling of 150038986 in words is "one hundred fifty million, thirty-eight thousand, nine hundred eighty-six".