148499999 has 2 divisors, whose sum is σ = 148500000. Its totient is φ = 148499998.

The previous prime is 148499993. The next prime is 148500007. The reversal of 148499999 is 999994841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148499999 - 2¹² = 148495903 is a prime.

It is a Chen prime.

148499999 is a modest number, since divided by 99999 gives 1484 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148499993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74249999 + 74250000.

It is an arithmetic number, because the mean of its divisors is an integer number (74250000).

Almost surely, 2^148499999 is an apocalyptic number.

148499999 is a deficient number, since it is larger than the sum of its proper divisors (1).

148499999 is an equidigital number, since it uses as much as digits as its factorization.

148499999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 62.

The square root of 148499999 is about 12186.0575659234. The cubic root of 148499999 is about 529.5522491102.

The spelling of 148499999 in words is "one hundred forty-eight million, four hundred ninety-nine thousand, nine hundred ninety-nine".