149149149 has 8 divisors (see below), whose sum is σ = 200200800. Its totient is φ = 98765136.

The previous prime is 149149129. The next prime is 149149157. The reversal of 149149149 is 941941941.

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

It is not a de Polignac number, because 149149149 - 2⁸ = 149148893 is a prime.

149149149 is a modest number, since divided by 149149 gives 149 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 149149149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149149129) 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, 166387 + ... + 167280.

It is an arithmetic number, because the mean of its divisors is an integer number (25025100).

Almost surely, 2^149149149 is an apocalyptic number.

It is an amenable number.

149149149 is a deficient number, since it is larger than the sum of its proper divisors (51051651).

149149149 is a wasteful number, since it uses less digits than its factorization.

149149149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333819.

The product of its digits is 46656, while the sum is 42.

The square root of 149149149 is about 12212.6634687115. The cubic root of 149149149 is about 530.3227522696.

The spelling of 149149149 in words is "one hundred forty-nine million, one hundred forty-nine thousand, one hundred forty-nine".