191248548 has 48 divisors (see below), whose sum is σ = 461991936. Its totient is φ = 61512480.

The previous prime is 191248537. The next prime is 191248549. The reversal of 191248548 is 845842191.

It is a super-2 number, since 2×191248548² = 73152014224216608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191248549) 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 15 ways as a sum of consecutive naturals, for example, 194065 + ... + 195047.

It is an arithmetic number, because the mean of its divisors is an integer number (9624832).

Almost surely, 2^191248548 is an apocalyptic number.

It is an amenable number.

191248548 is an abundant number, since it is smaller than the sum of its proper divisors (270743388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191248548 is a wasteful number, since it uses less digits than its factorization.

191248548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1542 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 191248548 is about 13829.2641886689. The cubic root of 191248548 is about 576.1462181840.

It can be divided in two parts, 19124 and 8548, that added together give a palindrome (27672).

The spelling of 191248548 in words is "one hundred ninety-one million, two hundred forty-eight thousand, five hundred forty-eight".