1565130345 has 16 divisors (see below), whose sum is σ = 2505159360. Its totient is φ = 834419264.

The previous prime is 1565130337. The next prime is 1565130353. The reversal of 1565130345 is 5430315651.

It is an interprime number because it is at equal distance from previous prime (1565130337) and next prime (1565130353).

It is a cyclic number.

It is not a de Polignac number, because 1565130345 - 2³ = 1565130337 is a prime.

It is an unprimeable number.

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, 24166 + ... + 60944.

It is an arithmetic number, because the mean of its divisors is an integer number (156572460).

Almost surely, 2^1565130345 is an apocalyptic number.

1565130345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1565130345 is a deficient number, since it is larger than the sum of its proper divisors (940029015).

1565130345 is a wasteful number, since it uses less digits than its factorization.

1565130345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39624.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1565130345 is about 39561.7282863123. The cubic root of 1565130345 is about 1161.0479889595.

Adding to 1565130345 its reverse (5430315651), we get a palindrome (6995445996).

The spelling of 1565130345 in words is "one billion, five hundred sixty-five million, one hundred thirty thousand, three hundred forty-five".