147372241 has 2 divisors, whose sum is σ = 147372242. Its totient is φ = 147372240.

The previous prime is 147372217. The next prime is 147372257. The reversal of 147372241 is 142273741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140920641 + 6451600 = 11871^2 + 2540^2 .

It is an emirp because it is prime and its reverse (142273741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147372241 - 2¹⁵ = 147339473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147372041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73686120 + 73686121.

It is an arithmetic number, because the mean of its divisors is an integer number (73686121).

Almost surely, 2^147372241 is an apocalyptic number.

It is an amenable number.

147372241 is a deficient number, since it is larger than the sum of its proper divisors (1).

147372241 is an equidigital number, since it uses as much as digits as its factorization.

147372241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 147372241 is about 12139.6969072543. The cubic root of 147372241 is about 528.2083097267.

The spelling of 147372241 in words is "one hundred forty-seven million, three hundred seventy-two thousand, two hundred forty-one".