149182091 has 8 divisors (see below), whose sum is σ = 157478400. Its totient is φ = 140930280.

The previous prime is 149182079. The next prime is 149182153. The reversal of 149182091 is 190281941.

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 149182091 - 2²⁶ = 82073227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149182591) 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 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (19684800).

Almost surely, 2^149182091 is an apocalyptic number.

149182091 is a deficient number, since it is larger than the sum of its proper divisors (8296309).

149182091 is a wasteful number, since it uses less digits than its factorization.

149182091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22249.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 149182091 is about 12214.0120762999. The cubic root of 149182091 is about 530.3617928457.

The spelling of 149182091 in words is "one hundred forty-nine million, one hundred eighty-two thousand, ninety-one".