149201 has 8 divisors (see below), whose sum is σ = 168000. Its totient is φ = 131472.

The previous prime is 149197. The next prime is 149213. The reversal of 149201 is 102941.

It is a happy number.

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 149201 - 2² = 149197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 149201.

It is not an unprimeable number, because it can be changed into a prime (149251) 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, 50 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2¹⁴⁹²⁰¹ is an apocalyptic number.

It is an amenable number.

149201 is a deficient number, since it is larger than the sum of its proper divisors (18799).

149201 is a wasteful number, since it uses less digits than its factorization.

149201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 149201 is about 386.2654527653. The cubic root of 149201 is about 53.0384199886.

The spelling of 149201 in words is "one hundred forty-nine thousand, two hundred one".