497145648 has 20 divisors (see below), whose sum is σ = 1284293048. Its totient is φ = 165715200.

The previous prime is 497145631. The next prime is 497145689. The reversal of 497145648 is 846541794.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 10357201 = 497145648 / (4 + 9 + 7 + 1 + 4 + 5 + 6 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 497145597 and 497145606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178553 + ... + 5178648.

Almost surely, 2^497145648 is an apocalyptic number.

497145648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

497145648 is an abundant number, since it is smaller than the sum of its proper divisors (787147400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497145648 is a wasteful number, since it uses less digits than its factorization.

497145648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357212 (or 10357206 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 497145648 is about 22296.7631731604. The cubic root of 497145648 is about 792.1873090290.

The spelling of 497145648 in words is "four hundred ninety-seven million, one hundred forty-five thousand, six hundred forty-eight".