148172671 has 2 divisors, whose sum is σ = 148172672. Its totient is φ = 148172670.

The previous prime is 148172657. The next prime is 148172677. The reversal of 148172671 is 176271841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148172671 - 2⁵ = 148172639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148172671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148172677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74086335 + 74086336.

It is an arithmetic number, because the mean of its divisors is an integer number (74086336).

Almost surely, 2^148172671 is an apocalyptic number.

148172671 is a deficient number, since it is larger than the sum of its proper divisors (1).

148172671 is an equidigital number, since it uses as much as digits as its factorization.

148172671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 37.

The square root of 148172671 is about 12172.6197262545. The cubic root of 148172671 is about 529.1628780793.

The spelling of 148172671 in words is "one hundred forty-eight million, one hundred seventy-two thousand, six hundred seventy-one".