149763189 has 8 divisors (see below), whose sum is σ = 208366272. Its totient is φ = 95501120.

The previous prime is 149763151. The next prime is 149763191. The reversal of 149763189 is 981367941.

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 149763189 - 2¹¹ = 149761141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149763199) 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, 1085172 + ... + 1085309.

It is an arithmetic number, because the mean of its divisors is an integer number (26045784).

Almost surely, 2^149763189 is an apocalyptic number.

It is an amenable number.

149763189 is a deficient number, since it is larger than the sum of its proper divisors (58603083).

149763189 is a wasteful number, since it uses less digits than its factorization.

149763189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170507.

The product of its digits is 326592, while the sum is 48.

The square root of 149763189 is about 12237.7771265863. Note that the first 3 decimals coincide. The cubic root of 149763189 is about 531.0495270532.

The spelling of 149763189 in words is "one hundred forty-nine million, seven hundred sixty-three thousand, one hundred eighty-nine".