149680349 has 12 divisors (see below), whose sum is σ = 187512444. Its totient is φ = 118427904.

The previous prime is 149680327. The next prime is 149680361. The reversal of 149680349 is 943086941.

It can be written as a sum of positive squares in 2 ways, for example, as 8236900 + 141443449 = 2870^2 + 11893^2 .

It is a de Polignac number, because none of the positive numbers 2^k-149680349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149680249) 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 11 ways as a sum of consecutive naturals, for example, 116852 + ... + 118125.

It is an arithmetic number, because the mean of its divisors is an integer number (15626037).

Almost surely, 2^149680349 is an apocalyptic number.

It is an amenable number.

149680349 is a deficient number, since it is larger than the sum of its proper divisors (37832095).

149680349 is a wasteful number, since it uses less digits than its factorization.

149680349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235004 (or 234997 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 149680349 is about 12234.3920568208. The cubic root of 149680349 is about 530.9515940946.

The spelling of 149680349 in words is "one hundred forty-nine million, six hundred eighty thousand, three hundred forty-nine".