149748393 has 16 divisors (see below), whose sum is σ = 212530176. Its totient is φ = 93461760.

The previous prime is 149748349. The next prime is 149748409. The reversal of 149748393 is 393847941.

It is a happy number.

It is not a de Polignac number, because 149748393 - 2¹⁶ = 149682857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149748493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (13283136).

Almost surely, 2^149748393 is an apocalyptic number.

It is an amenable number.

149748393 is a deficient number, since it is larger than the sum of its proper divisors (62781783).

149748393 is a wasteful number, since it uses less digits than its factorization.

149748393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15584.

The product of its digits is 653184, while the sum is 48.

The square root of 149748393 is about 12237.1725901043. The cubic root of 149748393 is about 531.0320379590.

The spelling of 149748393 in words is "one hundred forty-nine million, seven hundred forty-eight thousand, three hundred ninety-three".