147542393 has 2 divisors, whose sum is σ = 147542394. Its totient is φ = 147542392.

The previous prime is 147542389. The next prime is 147542413. The reversal of 147542393 is 393245741.

147542393 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., 79512889 + 68029504 = 8917^2 + 8248^2 .

It is a cyclic number.

It is not a de Polignac number, because 147542393 - 2² = 147542389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (147542323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73771196 + 73771197.

It is an arithmetic number, because the mean of its divisors is an integer number (73771197).

Almost surely, 2^147542393 is an apocalyptic number.

It is an amenable number.

147542393 is a deficient number, since it is larger than the sum of its proper divisors (1).

147542393 is an equidigital number, since it uses as much as digits as its factorization.

147542393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 147542393 is about 12146.7029682956. The cubic root of 147542393 is about 528.4115165462.

The spelling of 147542393 in words is "one hundred forty-seven million, five hundred forty-two thousand, three hundred ninety-three".