149735423 has 4 divisors (see below), whose sum is σ = 150022248. Its totient is φ = 149448600.

The previous prime is 149735401. The next prime is 149735431. The reversal of 149735423 is 324537941.

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 149735423 - 2¹⁰ = 149734399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149735623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142628 + ... + 143673.

It is an arithmetic number, because the mean of its divisors is an integer number (37505562).

Almost surely, 2^149735423 is an apocalyptic number.

149735423 is a deficient number, since it is larger than the sum of its proper divisors (286825).

149735423 is an equidigital number, since it uses as much as digits as its factorization.

149735423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286824.

The product of its digits is 90720, while the sum is 38.

The square root of 149735423 is about 12236.6426359521. The cubic root of 149735423 is about 531.0167062766.

The spelling of 149735423 in words is "one hundred forty-nine million, seven hundred thirty-five thousand, four hundred twenty-three".