146787490849 has 8 divisors (see below), whose sum is σ = 149201609960. Its totient is φ = 144373622400.

The previous prime is 146787490813. The next prime is 146787490859. The reversal of 146787490849 is 948094787641.

It can be written as a sum of positive squares in 4 ways, for example, as 9075991824 + 137711499025 = 95268^2 + 371095^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146787490849 - 2⁹ = 146787490337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146787490859) 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 7 ways as a sum of consecutive naturals, for example, 1394239 + ... + 1495819.

It is an arithmetic number, because the mean of its divisors is an integer number (18650201245).

Almost surely, 2^146787490849 is an apocalyptic number.

It is an amenable number.

146787490849 is a deficient number, since it is larger than the sum of its proper divisors (2414119111).

146787490849 is a wasteful number, since it uses less digits than its factorization.

146787490849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125331.

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 146787490849 in words is "one hundred forty-six billion, seven hundred eighty-seven million, four hundred ninety thousand, eight hundred forty-nine".