149692163 has 4 divisors (see below), whose sum is σ = 149730768. Its totient is φ = 149653560.

The previous prime is 149692141. The next prime is 149692177. The reversal of 149692163 is 361296941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149692163 - 2⁶ = 149692099 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149692163.

It is not an unprimeable number, because it can be changed into a prime (149692183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12743 + ... + 21488.

It is an arithmetic number, because the mean of its divisors is an integer number (37432692).

Almost surely, 2^149692163 is an apocalyptic number.

149692163 is a deficient number, since it is larger than the sum of its proper divisors (38605).

149692163 is an equidigital number, since it uses as much as digits as its factorization.

149692163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38604.

The product of its digits is 69984, while the sum is 41.

The square root of 149692163 is about 12234.8748665444. The cubic root of 149692163 is about 530.9655627443.

The spelling of 149692163 in words is "one hundred forty-nine million, six hundred ninety-two thousand, one hundred sixty-three".