1048238149 has 4 divisors (see below), whose sum is σ = 1197986464. Its totient is φ = 898489836.

The previous prime is 1048238143. The next prime is 1048238153. The reversal of 1048238149 is 9418328401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9418328401 = 353 ⋅26680817.

It is a cyclic number.

It is not a de Polignac number, because 1048238149 - 2⁹ = 1048237637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048238143) 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 in 3 ways as a sum of consecutive naturals, for example, 74874147 + ... + 74874160.

It is an arithmetic number, because the mean of its divisors is an integer number (299496616).

Almost surely, 2^1048238149 is an apocalyptic number.

It is an amenable number.

1048238149 is a deficient number, since it is larger than the sum of its proper divisors (149748315).

1048238149 is an equidigital number, since it uses as much as digits as its factorization.

1048238149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149748314.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1048238149 is about 32376.5061271287. The cubic root of 1048238149 is about 1015.8275500007.

The spelling of 1048238149 in words is "one billion, forty-eight million, two hundred thirty-eight thousand, one hundred forty-nine".