1315941445 has 32 divisors (see below), whose sum is σ = 1996098048. Its totient is φ = 810425088.

The previous prime is 1315941443. The next prime is 1315941449. The reversal of 1315941445 is 5441495131.

It is a cyclic number.

It is not a de Polignac number, because 1315941445 - 2¹ = 1315941443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315941443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22249 + ... + 55918.

It is an arithmetic number, because the mean of its divisors is an integer number (62378064).

Almost surely, 2^1315941445 is an apocalyptic number.

It is an amenable number.

1315941445 is a deficient number, since it is larger than the sum of its proper divisors (680156603).

1315941445 is a wasteful number, since it uses less digits than its factorization.

1315941445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78229.

The product of its digits is 43200, while the sum is 37.

The square root of 1315941445 is about 36275.9072250440. The cubic root of 1315941445 is about 1095.8358941984.

The spelling of 1315941445 in words is "one billion, three hundred fifteen million, nine hundred forty-one thousand, four hundred forty-five".