149601 has 8 divisors (see below), whose sum is σ = 203904. Its totient is φ = 97520.

The previous prime is 149579. The next prime is 149603. The reversal of 149601 is 106941.

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 149601 - 2¹⁵ = 116833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149603) 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, 390 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (25488).

2¹⁴⁹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

149601 is a deficient number, since it is larger than the sum of its proper divisors (54303).

149601 is a wasteful number, since it uses less digits than its factorization.

149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 149601 is about 386.7828848333. The cubic root of 149601 is about 53.0857754288.

The spelling of 149601 in words is "one hundred forty-nine thousand, six hundred one".