147105293 has 4 divisors (see below), whose sum is σ = 149120508. Its totient is φ = 145090080.

The previous prime is 147105289. The next prime is 147105311. The reversal of 147105293 is 392501741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88322404 + 58782889 = 9398^2 + 7667^2 .

It is a cyclic number.

It is not a de Polignac number, because 147105293 - 2² = 147105289 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 (147155293) 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 3 ways as a sum of consecutive naturals, for example, 1007498 + ... + 1007643.

It is an arithmetic number, because the mean of its divisors is an integer number (37280127).

Almost surely, 2^147105293 is an apocalyptic number.

It is an amenable number.

147105293 is a deficient number, since it is larger than the sum of its proper divisors (2015215).

147105293 is an equidigital number, since it uses as much as digits as its factorization.

147105293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015214.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 147105293 is about 12128.6970858374. The cubic root of 147105293 is about 527.8891872689.

The spelling of 147105293 in words is "one hundred forty-seven million, one hundred five thousand, two hundred ninety-three".