149497 has 2 divisors, whose sum is σ = 149498. Its totient is φ = 149496.

The previous prime is 149491. The next prime is 149503. The reversal of 149497 is 794941.

It is a balanced prime because it is at equal distance from previous prime (149491) and next prime (149503).

It can be written as a sum of positive squares in only one way, i.e., 104976 + 44521 = 324^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 149497 - 2³ = 149489 is a prime.

It is not a weakly prime, because it can be changed into another prime (149491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74748 + 74749.

It is an arithmetic number, because the mean of its divisors is an integer number (74749).

2¹⁴⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

149497 is a deficient number, since it is larger than the sum of its proper divisors (1).

149497 is an equidigital number, since it uses as much as digits as its factorization.

149497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 149497 is about 386.6484191097. The cubic root of 149497 is about 53.0734711428.

It can be divided in two parts, 149 and 497, that added together give a palindrome (646).

The spelling of 149497 in words is "one hundred forty-nine thousand, four hundred ninety-seven".