149000149 has 8 divisors (see below), whose sum is σ = 151500600. Its totient is φ = 146520000.

The previous prime is 149000143. The next prime is 149000153. The reversal of 149000149 is 941000941.

It can be written as a sum of positive squares in 4 ways, for example, as 70677649 + 78322500 = 8407^2 + 8850^2 .

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 149000149 - 2⁷ = 149000021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149000143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10099 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (18937575).

Almost surely, 2^149000149 is an apocalyptic number.

It is an amenable number.

149000149 is a deficient number, since it is larger than the sum of its proper divisors (2500451).

149000149 is a wasteful number, since it uses less digits than its factorization.

149000149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 149000149 is about 12206.5617190100. The cubic root of 149000149 is about 530.1460959533.

The spelling of 149000149 in words is "one hundred forty-nine million, one hundred forty-nine", and thus it is an aban number.