148571849 has 4 divisors (see below), whose sum is σ = 156391440. Its totient is φ = 140752260.

The previous prime is 148571827. The next prime is 148571873. The reversal of 148571849 is 948175841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148571849 - 2¹² = 148567753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148501849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909767 + ... + 3909804.

It is an arithmetic number, because the mean of its divisors is an integer number (39097860).

Almost surely, 2^148571849 is an apocalyptic number.

148571849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148571849 is a deficient number, since it is larger than the sum of its proper divisors (7819591).

148571849 is an equidigital number, since it uses as much as digits as its factorization.

148571849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819590.

The product of its digits is 322560, while the sum is 47.

The square root of 148571849 is about 12189.0052506347. The cubic root of 148571849 is about 529.6376412418.

The spelling of 148571849 in words is "one hundred forty-eight million, five hundred seventy-one thousand, eight hundred forty-nine".