1455117315 has 32 divisors (see below), whose sum is σ = 2394372096. Its totient is φ = 754058880.

The previous prime is 1455117283. The next prime is 1455117317. The reversal of 1455117315 is 5137115541.

It is a Cunningham number, because it is equal to 38146²-1.

It is not a de Polignac number, because 1455117315 - 2⁵ = 1455117283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455117317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570934 + ... + 573476.

It is an arithmetic number, because the mean of its divisors is an integer number (74824128).

Almost surely, 2^1455117315 is an apocalyptic number.

1455117315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1455117315 is a deficient number, since it is larger than the sum of its proper divisors (939254781).

1455117315 is a wasteful number, since it uses less digits than its factorization.

1455117315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619.

The product of its digits is 10500, while the sum is 33.

The square root of 1455117315 is about 38145.9999868925. Note that the first 4 decimals coincide. The cubic root of 1455117315 is about 1133.1811358961.

The spelling of 1455117315 in words is "one billion, four hundred fifty-five million, one hundred seventeen thousand, three hundred fifteen".