1481785090 has 8 divisors (see below), whose sum is σ = 2667213180. Its totient is φ = 592714032.

The previous prime is 1481785079. The next prime is 1481785133. The reversal of 1481785090 is 905871841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1432546801 + 49238289 = 37849^2 + 7017^2 .

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

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, 74089245 + ... + 74089264.

Almost surely, 2^1481785090 is an apocalyptic number.

1481785090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1481785090 is a deficient number, since it is larger than the sum of its proper divisors (1185428090).

1481785090 is a wasteful number, since it uses less digits than its factorization.

1481785090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148178516.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 1481785090 is about 38493.9617342772. The cubic root of 1481785090 is about 1140.0618336216.

The spelling of 1481785090 in words is "one billion, four hundred eighty-one million, seven hundred eighty-five thousand, ninety".