147799 has 2 divisors, whose sum is σ = 147800. Its totient is φ = 147798.

The previous prime is 147793. The next prime is 147811. The reversal of 147799 is 997741.

It is a weak prime.

It is an emirp because it is prime and its reverse (997741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147799 - 2⁷ = 147671 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73899 + 73900.

It is an arithmetic number, because the mean of its divisors is an integer number (73900).

2¹⁴⁷⁷⁹⁹ is an apocalyptic number.

147799 is a deficient number, since it is larger than the sum of its proper divisors (1).

147799 is an equidigital number, since it uses as much as digits as its factorization.

147799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 37.

The square root of 147799 is about 384.4463551655. The cubic root of 147799 is about 52.8717678408.

It can be divided in two parts, 147 and 799, that added together give a triangular number (946 = T₄₃).

The spelling of 147799 in words is "one hundred forty-seven thousand, seven hundred ninety-nine".