148340947 has 2 divisors, whose sum is σ = 148340948. Its totient is φ = 148340946.

The previous prime is 148340917. The next prime is 148340957. The reversal of 148340947 is 749043841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148340947 - 2²³ = 139952339 is a prime.

It is not a weakly prime, because it can be changed into another prime (148340917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74170473 + 74170474.

It is an arithmetic number, because the mean of its divisors is an integer number (74170474).

Almost surely, 2^148340947 is an apocalyptic number.

148340947 is a deficient number, since it is larger than the sum of its proper divisors (1).

148340947 is an equidigital number, since it uses as much as digits as its factorization.

148340947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 148340947 is about 12179.5298349321. The cubic root of 148340947 is about 529.3631213140.

The spelling of 148340947 in words is "one hundred forty-eight million, three hundred forty thousand, nine hundred forty-seven".