1481972546 has 8 divisors (see below), whose sum is σ = 2294667264. Its totient is φ = 717083460.

The previous prime is 1481972537. The next prime is 1481972567. The reversal of 1481972546 is 6452791841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1481972546.

It is an unprimeable number.

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, 11951330 + ... + 11951453.

It is an arithmetic number, because the mean of its divisors is an integer number (286833408).

Almost surely, 2^1481972546 is an apocalyptic number.

1481972546 is a deficient number, since it is larger than the sum of its proper divisors (812694718).

1481972546 is a wasteful number, since it uses less digits than its factorization.

1481972546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23902816.

The product of its digits is 483840, while the sum is 47.

The square root of 1481972546 is about 38496.3965326626. The cubic root of 1481972546 is about 1140.1099068141.

The spelling of 1481972546 in words is "one billion, four hundred eighty-one million, nine hundred seventy-two thousand, five hundred forty-six".