1447131500 has 24 divisors (see below), whose sum is σ = 3160536288. Its totient is φ = 578852400.

The previous prime is 1447131493. The next prime is 1447131533. The reversal of 1447131500 is 51317441.

It is a self number, because there is not a number n which added to its sum of digits gives 1447131500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446632 + ... + 1447631.

It is an arithmetic number, because the mean of its divisors is an integer number (131689012).

Almost surely, 2^1447131500 is an apocalyptic number.

1447131500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1447131500 is an abundant number, since it is smaller than the sum of its proper divisors (1713404788).

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

1447131500 is a wasteful number, since it uses less digits than its factorization.

1447131500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894282 (or 2894270 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1447131500 is about 38041.1816325413. The cubic root of 1447131500 is about 1131.1043319451.

Adding to 1447131500 its reverse (51317441), we get a palindrome (1498448941).

The spelling of 1447131500 in words is "one billion, four hundred forty-seven million, one hundred thirty-one thousand, five hundred".