147443407 has 2 divisors, whose sum is σ = 147443408. Its totient is φ = 147443406.

The previous prime is 147443399. The next prime is 147443449. The reversal of 147443407 is 704344741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147443407 - 2³ = 147443399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147443207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73721703 + 73721704.

It is an arithmetic number, because the mean of its divisors is an integer number (73721704).

Almost surely, 2^147443407 is an apocalyptic number.

147443407 is a deficient number, since it is larger than the sum of its proper divisors (1).

147443407 is an equidigital number, since it uses as much as digits as its factorization.

147443407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 147443407 is about 12142.6276810252. The cubic root of 147443407 is about 528.2933199094.

The spelling of 147443407 in words is "one hundred forty-seven million, four hundred forty-three thousand, four hundred seven".