148249999 has 2 divisors, whose sum is σ = 148250000. Its totient is φ = 148249998.

The previous prime is 148249991. The next prime is 148250023. The reversal of 148249999 is 999942841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148249999 - 2³ = 148249991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148249991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74124999 + 74125000.

It is an arithmetic number, because the mean of its divisors is an integer number (74125000).

Almost surely, 2^148249999 is an apocalyptic number.

148249999 is a deficient number, since it is larger than the sum of its proper divisors (1).

148249999 is an equidigital number, since it uses as much as digits as its factorization.

148249999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 55.

The square root of 148249999 is about 12175.7956208208. The cubic root of 148249999 is about 529.2549148239.

The spelling of 148249999 in words is "one hundred forty-eight million, two hundred forty-nine thousand, nine hundred ninety-nine".