149083217 has 8 divisors (see below), whose sum is σ = 164716416. Its totient is φ = 134212672.

The previous prime is 149083213. The next prime is 149083237. The reversal of 149083217 is 712380941.

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 149083217 - 2² = 149083213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149083213) 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, 190253 + ... + 191034.

It is an arithmetic number, because the mean of its divisors is an integer number (20589552).

Almost surely, 2^149083217 is an apocalyptic number.

149083217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149083217 is a deficient number, since it is larger than the sum of its proper divisors (15633199).

149083217 is a wasteful number, since it uses less digits than its factorization.

149083217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381327.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 149083217 is about 12209.9638410603. The cubic root of 149083217 is about 530.2445969614.

The spelling of 149083217 in words is "one hundred forty-nine million, eighty-three thousand, two hundred seventeen".