148685599 has 2 divisors, whose sum is σ = 148685600. Its totient is φ = 148685598.

The previous prime is 148685591. The next prime is 148685651. The reversal of 148685599 is 995586841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148685599 - 2³ = 148685591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148685591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74342799 + 74342800.

It is an arithmetic number, because the mean of its divisors is an integer number (74342800).

Almost surely, 2^148685599 is an apocalyptic number.

148685599 is a deficient number, since it is larger than the sum of its proper divisors (1).

148685599 is an equidigital number, since it uses as much as digits as its factorization.

148685599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 55.

The square root of 148685599 is about 12193.6704482285. The cubic root of 148685599 is about 529.7727743178.

The spelling of 148685599 in words is "one hundred forty-eight million, six hundred eighty-five thousand, five hundred ninety-nine".