149633 has 8 divisors (see below), whose sum is σ = 166656. Its totient is φ = 133200.

The previous prime is 149629. The next prime is 149689. The reversal of 149633 is 336941.

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 149633 - 2² = 149629 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149633.

It is not an unprimeable number, because it can be changed into a prime (149603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 782.

It is an arithmetic number, because the mean of its divisors is an integer number (20832).

2¹⁴⁹⁶³³ is an apocalyptic number.

It is an amenable number.

149633 is a deficient number, since it is larger than the sum of its proper divisors (17023).

149633 is a wasteful number, since it uses less digits than its factorization.

149633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 1944, while the sum is 26.

The square root of 149633 is about 386.8242494984. The cubic root of 149633 is about 53.0895602157.

The spelling of 149633 in words is "one hundred forty-nine thousand, six hundred thirty-three".