150231603 has 4 divisors (see below), whose sum is σ = 200308808. Its totient is φ = 100154400.

The previous prime is 150231589. The next prime is 150231619. The reversal of 150231603 is 306132051.

150231603 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.

It is not a de Polignac number, because 150231603 - 2¹⁸ = 149969459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150231603.

It is not an unprimeable number, because it can be changed into a prime (150241603) 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, 25038598 + ... + 25038603.

It is an arithmetic number, because the mean of its divisors is an integer number (50077202).

Almost surely, 2^150231603 is an apocalyptic number.

150231603 is a deficient number, since it is larger than the sum of its proper divisors (50077205).

150231603 is an equidigital number, since it uses as much as digits as its factorization.

150231603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50077204.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 150231603 is about 12256.9002198761. The cubic root of 150231603 is about 531.6026049828.

Adding to 150231603 its reverse (306132051), we get a palindrome (456363654).

The spelling of 150231603 in words is "one hundred fifty million, two hundred thirty-one thousand, six hundred three".