150538903 has 4 divisors (see below), whose sum is σ = 154607560. Its totient is φ = 146470248.

The previous prime is 150538897. The next prime is 150538907. The reversal of 150538903 is 309835051.

150538903 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: 309835051 = 3677 ⋅84263.

It is a cyclic number.

It is not a de Polignac number, because 150538903 - 2²¹ = 148441751 is a prime.

It is a super-2 number, since 2×150538903² = 45323922632886818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150538907) 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, 2034273 + ... + 2034346.

It is an arithmetic number, because the mean of its divisors is an integer number (38651890).

Almost surely, 2^150538903 is an apocalyptic number.

150538903 is a deficient number, since it is larger than the sum of its proper divisors (4068657).

150538903 is an equidigital number, since it uses as much as digits as its factorization.

150538903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068656.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 150538903 is about 12269.4296118442. The cubic root of 150538903 is about 531.9648239787.

The spelling of 150538903 in words is "one hundred fifty million, five hundred thirty-eight thousand, nine hundred three".