147143873 has 2 divisors, whose sum is σ = 147143874. Its totient is φ = 147143872.

The previous prime is 147143863. The next prime is 147143921. The reversal of 147143873 is 378341741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 64915249 = 9068^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 147143873 - 2¹⁴ = 147127489 is a prime.

It is a super-2 number, since 2×147143873² = 43302638722880258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147143863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73571936 + 73571937.

It is an arithmetic number, because the mean of its divisors is an integer number (73571937).

Almost surely, 2^147143873 is an apocalyptic number.

It is an amenable number.

147143873 is a deficient number, since it is larger than the sum of its proper divisors (1).

147143873 is an equidigital number, since it uses as much as digits as its factorization.

147143873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 147143873 is about 12130.2874244595. The cubic root of 147143873 is about 527.9353315063.

The spelling of 147143873 in words is "one hundred forty-seven million, one hundred forty-three thousand, eight hundred seventy-three".