147255799 has 4 divisors (see below), whose sum is σ = 149751720. Its totient is φ = 144759880.

The previous prime is 147255781. The next prime is 147255809. The reversal of 147255799 is 997552741.

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: 997552741 = 17 ⋅58679573.

It is a cyclic number.

It is not a de Polignac number, because 147255799 - 2⁹ = 147255287 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147255299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247872 + ... + 1247989.

It is an arithmetic number, because the mean of its divisors is an integer number (37437930).

Almost surely, 2^147255799 is an apocalyptic number.

147255799 is a deficient number, since it is larger than the sum of its proper divisors (2495921).

147255799 is an equidigital number, since it uses as much as digits as its factorization.

147255799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495920.

The product of its digits is 793800, while the sum is 49.

The square root of 147255799 is about 12134.9000407914. The cubic root of 147255799 is about 528.0691567951.

The spelling of 147255799 in words is "one hundred forty-seven million, two hundred fifty-five thousand, seven hundred ninety-nine".