148947101 has 2 divisors, whose sum is σ = 148947102. Its totient is φ = 148947100.

The previous prime is 148947091. The next prime is 148947121. The reversal of 148947101 is 101749841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 37222201 = 10570^2 + 6101^2 .

It is a cyclic number.

It is not a de Polignac number, because 148947101 - 2⁶ = 148947037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148947121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74473550 + 74473551.

It is an arithmetic number, because the mean of its divisors is an integer number (74473551).

Almost surely, 2^148947101 is an apocalyptic number.

It is an amenable number.

148947101 is a deficient number, since it is larger than the sum of its proper divisors (1).

148947101 is an equidigital number, since it uses as much as digits as its factorization.

148947101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 148947101 is about 12204.3885959109. The cubic root of 148947101 is about 530.0831731342.

The spelling of 148947101 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, one hundred one".