148357849 has 2 divisors, whose sum is σ = 148357850. Its totient is φ = 148357848.

The previous prime is 148357831. The next prime is 148357903. The reversal of 148357849 is 948753841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122500624 + 25857225 = 11068^2 + 5085^2 .

It is a cyclic number.

It is not a de Polignac number, because 148357849 - 2¹⁵ = 148325081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148357049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74178924 + 74178925.

It is an arithmetic number, because the mean of its divisors is an integer number (74178925).

Almost surely, 2^148357849 is an apocalyptic number.

It is an amenable number.

148357849 is a deficient number, since it is larger than the sum of its proper divisors (1).

148357849 is an equidigital number, since it uses as much as digits as its factorization.

148357849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 148357849 is about 12180.2236843171. The cubic root of 148357849 is about 529.3832258005.

The spelling of 148357849 in words is "one hundred forty-eight million, three hundred fifty-seven thousand, eight hundred forty-nine".