148549 has 2 divisors, whose sum is σ = 148550. Its totient is φ = 148548.

The previous prime is 148537. The next prime is 148573. The reversal of 148549 is 945841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 324 = 385^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 148549 - 2⁵ = 148517 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 148549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74274 + 74275.

It is an arithmetic number, because the mean of its divisors is an integer number (74275).

2¹⁴⁸⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

148549 is a deficient number, since it is larger than the sum of its proper divisors (1).

148549 is an equidigital number, since it uses as much as digits as its factorization.

148549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 148549 is about 385.4205495300. The cubic root of 148549 is about 52.9610488698.

The spelling of 148549 in words is "one hundred forty-eight thousand, five hundred forty-nine".