148031729 has 2 divisors, whose sum is σ = 148031730. Its totient is φ = 148031728.

The previous prime is 148031713. The next prime is 148031759. The reversal of 148031729 is 927130841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143400625 + 4631104 = 11975^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 148031729 - 2⁴ = 148031713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148031759) 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, 74015864 + 74015865.

It is an arithmetic number, because the mean of its divisors is an integer number (74015865).

Almost surely, 2^148031729 is an apocalyptic number.

It is an amenable number.

148031729 is a deficient number, since it is larger than the sum of its proper divisors (1).

148031729 is an equidigital number, since it uses as much as digits as its factorization.

148031729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 148031729 is about 12166.8290445785. The cubic root of 148031729 is about 528.9950447588.

The spelling of 148031729 in words is "one hundred forty-eight million, thirty-one thousand, seven hundred twenty-nine".