147397469 has 2 divisors, whose sum is σ = 147397470. Its totient is φ = 147397468.

The previous prime is 147397451. The next prime is 147397493. The reversal of 147397469 is 964793741.

It is a happy number.

147397469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 1350244 = 12085^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 147397469 - 2⁸ = 147397213 is a prime.

It is a super-2 number, since 2×147397469² = 43452027735211922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147397669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73698734 + 73698735.

It is an arithmetic number, because the mean of its divisors is an integer number (73698735).

Almost surely, 2^147397469 is an apocalyptic number.

It is an amenable number.

147397469 is a deficient number, since it is larger than the sum of its proper divisors (1).

147397469 is an equidigital number, since it uses as much as digits as its factorization.

147397469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 147397469 is about 12140.7359332126. The cubic root of 147397469 is about 528.2384485526.

The spelling of 147397469 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, four hundred sixty-nine".