1315614445 has 16 divisors (see below), whose sum is σ = 1672913088. Its totient is φ = 989804800.

The previous prime is 1315614431. The next prime is 1315614449. The reversal of 1315614445 is 5444165131.

It is not a de Polignac number, because 1315614445 - 2⁷ = 1315614317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315614445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315614449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118002 + ... + 128668.

It is an arithmetic number, because the mean of its divisors is an integer number (104557068).

Almost surely, 2^1315614445 is an apocalyptic number.

It is an amenable number.

1315614445 is a deficient number, since it is larger than the sum of its proper divisors (357298643).

1315614445 is a wasteful number, since it uses less digits than its factorization.

1315614445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140.

The product of its digits is 28800, while the sum is 34.

The square root of 1315614445 is about 36271.3998213468. The cubic root of 1315614445 is about 1095.7451181171.

Adding to 1315614445 its reverse (5444165131), we get a palindrome (6759779576).

The spelling of 1315614445 in words is "one billion, three hundred fifteen million, six hundred fourteen thousand, four hundred forty-five".