149813603 has 8 divisors (see below), whose sum is σ = 152776416. Its totient is φ = 146880000.

The previous prime is 149813561. The next prime is 149813647. The reversal of 149813603 is 306318941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149813603 - 2¹² = 149809507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149813663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (19097052).

Almost surely, 2^149813603 is an apocalyptic number.

149813603 is a deficient number, since it is larger than the sum of its proper divisors (2962813).

149813603 is a wasteful number, since it uses less digits than its factorization.

149813603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 149813603 is about 12239.8367227672. The cubic root of 149813603 is about 531.1091085109.

The spelling of 149813603 in words is "one hundred forty-nine million, eight hundred thirteen thousand, six hundred three".