147316145 has 4 divisors (see below), whose sum is σ = 176779380. Its totient is φ = 117852912.

The previous prime is 147316121. The next prime is 147316153. The reversal of 147316145 is 541613741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541613741 = 31 ⋅17471411.

It can be written as a sum of positive squares in 2 ways, for example, as 17447329 + 129868816 = 4177^2 + 11396^2 .

It is a cyclic number.

It is not a de Polignac number, because 147316145 - 2¹⁰ = 147315121 is a prime.

It is a super-2 number, since 2×147316145² = 43404093155322050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14731610 + ... + 14731619.

It is an arithmetic number, because the mean of its divisors is an integer number (44194845).

Almost surely, 2^147316145 is an apocalyptic number.

It is an amenable number.

147316145 is a deficient number, since it is larger than the sum of its proper divisors (29463235).

147316145 is an equidigital number, since it uses as much as digits as its factorization.

147316145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29463234.

The product of its digits is 10080, while the sum is 32.

The square root of 147316145 is about 12137.3862507543. The cubic root of 147316145 is about 528.1412818761.

Adding to 147316145 its reverse (541613741), we get a palindrome (688929886).

The spelling of 147316145 in words is "one hundred forty-seven million, three hundred sixteen thousand, one hundred forty-five".