149393 has 2 divisors, whose sum is σ = 149394. Its totient is φ = 149392.

The previous prime is 149381. The next prime is 149399. The reversal of 149393 is 393941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 2704 = 383^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 149393 - 2⁴ = 149377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74696 + 74697.

It is an arithmetic number, because the mean of its divisors is an integer number (74697).

2¹⁴⁹³⁹³ is an apocalyptic number.

It is an amenable number.

149393 is a deficient number, since it is larger than the sum of its proper divisors (1).

149393 is an equidigital number, since it uses as much as digits as its factorization.

149393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 149393 is about 386.5139066062. The cubic root of 149393 is about 53.0611611489.

It can be divided in two parts, 1 and 49393, that added together give a palindrome (49394).

The spelling of 149393 in words is "one hundred forty-nine thousand, three hundred ninety-three".