150189838 has 4 divisors (see below), whose sum is σ = 225284760. Its totient is φ = 75094918.

The previous prime is 150189833. The next prime is 150189857. The reversal of 150189838 is 838981051.

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

It is a junction number, because it is equal to n+sod(n) for n = 150189794 and 150189803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150189833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37547458 + ... + 37547461.

It is an arithmetic number, because the mean of its divisors is an integer number (56321190).

Almost surely, 2^150189838 is an apocalyptic number.

150189838 is a deficient number, since it is larger than the sum of its proper divisors (75094922).

150189838 is an equidigital number, since it uses as much as digits as its factorization.

150189838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75094921.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 150189838 is about 12255.1963672558. The cubic root of 150189838 is about 531.5533378510.

The spelling of 150189838 in words is "one hundred fifty million, one hundred eighty-nine thousand, eight hundred thirty-eight".