149335405 has 4 divisors (see below), whose sum is σ = 179202492. Its totient is φ = 119468320.

The previous prime is 149335379. The next prime is 149335411. The reversal of 149335405 is 504533941.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66634569 + 82700836 = 8163^2 + 9094^2 .

It is a de Polignac number, because none of the positive numbers 2^k-149335405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14933536 + ... + 14933545.

It is an arithmetic number, because the mean of its divisors is an integer number (44800623).

Almost surely, 2^149335405 is an apocalyptic number.

It is an amenable number.

149335405 is a deficient number, since it is larger than the sum of its proper divisors (29867087).

149335405 is an equidigital number, since it uses as much as digits as its factorization.

149335405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29867086.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 149335405 is about 12220.2866169333. The cubic root of 149335405 is about 530.5434143987.

The spelling of 149335405 in words is "one hundred forty-nine million, three hundred thirty-five thousand, four hundred five".