1494142663 has 8 divisors (see below), whose sum is σ = 1639437408. Its totient is φ = 1353185184.

The previous prime is 1494142651. The next prime is 1494142693. The reversal of 1494142663 is 3662414941.

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

It is not a de Polignac number, because 1494142663 - 2⁹ = 1494142151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494142693) 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, 1083595 + ... + 1084972.

It is an arithmetic number, because the mean of its divisors is an integer number (204929676).

Almost surely, 2^1494142663 is an apocalyptic number.

1494142663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1494142663 is a deficient number, since it is larger than the sum of its proper divisors (145294745).

1494142663 is a wasteful number, since it uses less digits than its factorization.

1494142663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168633.

The product of its digits is 124416, while the sum is 40.

The square root of 1494142663 is about 38654.1416021621. The cubic root of 1494142663 is about 1143.2223040040. Note that the first 3 decimals are identical.

The spelling of 1494142663 in words is "one billion, four hundred ninety-four million, one hundred forty-two thousand, six hundred sixty-three".