148416649 has 2 divisors, whose sum is σ = 148416650. Its totient is φ = 148416648.

The previous prime is 148416641. The next prime is 148416661. The reversal of 148416649 is 946614841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111450249 + 36966400 = 10557^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 148416649 - 2³ = 148416641 is a prime.

It is not a weakly prime, because it can be changed into another prime (148416641) 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, 74208324 + 74208325.

It is an arithmetic number, because the mean of its divisors is an integer number (74208325).

Almost surely, 2^148416649 is an apocalyptic number.

It is an amenable number.

148416649 is a deficient number, since it is larger than the sum of its proper divisors (1).

148416649 is an equidigital number, since it uses as much as digits as its factorization.

148416649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 148416649 is about 12182.6371939741. The cubic root of 148416649 is about 529.4531549671.

The spelling of 148416649 in words is "one hundred forty-eight million, four hundred sixteen thousand, six hundred forty-nine".