147149 has 8 divisors (see below), whose sum is σ = 156408. Its totient is φ = 138240.

The previous prime is 147139. The next prime is 147151. The reversal of 147149 is 941741.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 133225 = 118^2 + 365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147149 - 2⁸ = 146893 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 (147139) 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 in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (19551).

2¹⁴⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

147149 is a deficient number, since it is larger than the sum of its proper divisors (9259).

147149 is an equidigital number, since it uses as much as digits as its factorization.

147149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its digits is 1008, while the sum is 26.

The square root of 147149 is about 383.6000521376. The cubic root of 147149 is about 52.7941463131.

The spelling of 147149 in words is "one hundred forty-seven thousand, one hundred forty-nine".