1315055450 has 24 divisors (see below), whose sum is σ = 2447162940. Its totient is φ = 525772800.

The previous prime is 1315055449. The next prime is 1315055453. The reversal of 1315055450 is 545505131.

It can be written as a sum of positive squares in 6 ways, for example, as 123632161 + 1191423289 = 11119^2 + 34517^2 .

It is not an unprimeable number, because it can be changed into a prime (1315055453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129560 + ... + 139340.

Almost surely, 2^1315055450 is an apocalyptic number.

1315055450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315055450 is a deficient number, since it is larger than the sum of its proper divisors (1132107490).

1315055450 is a wasteful number, since it uses less digits than its factorization.

1315055450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482 (or 12477 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1315055450 is about 36263.6932757820. The cubic root of 1315055450 is about 1095.5899047574.

The spelling of 1315055450 in words is "one billion, three hundred fifteen million, fifty-five thousand, four hundred fifty".