1455470920 has 32 divisors (see below), whose sum is σ = 3279137400. Its totient is φ = 581419008.

The previous prime is 1455470909. The next prime is 1455470953. The reversal of 1455470920 is 290745541.

It can be written as a sum of positive squares in 4 ways, for example, as 1323358884 + 132112036 = 36378^2 + 11494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1455470920.

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 7 ways as a sum of consecutive naturals, for example, 7102 + ... + 54418.

Almost surely, 2^1455470920 is an apocalyptic number.

1455470920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455470920 is an abundant number, since it is smaller than the sum of its proper divisors (1823666480).

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

1455470920 is a wasteful number, since it uses less digits than its factorization.

1455470920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48097 (or 48093 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1455470920 is about 38150.6345949841. The cubic root of 1455470920 is about 1133.2729191171.

The spelling of 1455470920 in words is "one billion, four hundred fifty-five million, four hundred seventy thousand, nine hundred twenty".