149216215 has 8 divisors (see below), whose sum is σ = 188483760. Its totient is φ = 113090112.

The previous prime is 149216189. The next prime is 149216257. The reversal of 149216215 is 512612941.

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 149216215 - 2¹¹ = 149214167 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 785254 + ... + 785443.

It is an arithmetic number, because the mean of its divisors is an integer number (23560470).

Almost surely, 2^149216215 is an apocalyptic number.

149216215 is a deficient number, since it is larger than the sum of its proper divisors (39267545).

149216215 is a wasteful number, since it uses less digits than its factorization.

149216215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570721.

The product of its digits is 4320, while the sum is 31.

The square root of 149216215 is about 12215.4089166102. The cubic root of 149216215 is about 530.4022281865.

The spelling of 149216215 in words is "one hundred forty-nine million, two hundred sixteen thousand, two hundred fifteen".