2148583442 has 4 divisors (see below), whose sum is σ = 3222875166. Its totient is φ = 1074291720.

The previous prime is 2148583439. The next prime is 2148583477. The reversal of 2148583442 is 2443858412.

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., 1130909641 + 1017673801 = 33629^2 + 31901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2148583442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537145859 + ... + 537145862.

Almost surely, 2^2148583442 is an apocalyptic number.

2148583442 is a deficient number, since it is larger than the sum of its proper divisors (1074291724).

2148583442 is a wasteful number, since it uses less digits than its factorization.

2148583442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074291723.

The product of its digits is 245760, while the sum is 41.

The square root of 2148583442 is about 46352.8148228347. The cubic root of 2148583442 is about 1290.3793612152.

The spelling of 2148583442 in words is "two billion, one hundred forty-eight million, five hundred eighty-three thousand, four hundred forty-two".