2148823546 has 4 divisors (see below), whose sum is σ = 3223235322. Its totient is φ = 1074411772.

The previous prime is 2148823529. The next prime is 2148823549. The reversal of 2148823546 is 6453288412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1298809521 + 850014025 = 36039^2 + 29155^2 .

It is not an unprimeable number, because it can be changed into a prime (2148823549) 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 as a sum of consecutive naturals, namely, 537205885 + ... + 537205888.

Almost surely, 2^2148823546 is an apocalyptic number.

2148823546 is a deficient number, since it is larger than the sum of its proper divisors (1074411776).

2148823546 is a wasteful number, since it uses less digits than its factorization.

2148823546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074411775.

The product of its digits is 368640, while the sum is 43.

The square root of 2148823546 is about 46355.4047118564. The cubic root of 2148823546 is about 1290.4274260161.

The spelling of 2148823546 in words is "two billion, one hundred forty-eight million, eight hundred twenty-three thousand, five hundred forty-six".