147299389 has 4 divisors (see below), whose sum is σ = 147627900. Its totient is φ = 146970880.

The previous prime is 147299387. The next prime is 147299417. The reversal of 147299389 is 983992741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983992741 = 293 ⋅3358337.

It can be written as a sum of positive squares in 2 ways, for example, as 113252164 + 34047225 = 10642^2 + 5835^2 .

It is a cyclic number.

It is not a de Polignac number, because 147299389 - 2¹ = 147299387 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 (147299387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163582 + ... + 164479.

It is an arithmetic number, because the mean of its divisors is an integer number (36906975).

Almost surely, 2^147299389 is an apocalyptic number.

It is an amenable number.

147299389 is a deficient number, since it is larger than the sum of its proper divisors (328511).

147299389 is an equidigital number, since it uses as much as digits as its factorization.

147299389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328510.

The product of its digits is 979776, while the sum is 52.

The square root of 147299389 is about 12136.6959671898. The cubic root of 147299389 is about 528.1212572077.

The spelling of 147299389 in words is "one hundred forty-seven million, two hundred ninety-nine thousand, three hundred eighty-nine".