1565342445 has 8 divisors (see below), whose sum is σ = 2504547936. Its totient is φ = 834849296.

The previous prime is 1565342423. The next prime is 1565342453. The reversal of 1565342445 is 5442435651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1565342445 - 2⁶ = 1565342381 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 52178067 + ... + 52178096.

It is an arithmetic number, because the mean of its divisors is an integer number (313068492).

Almost surely, 2^1565342445 is an apocalyptic number.

1565342445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1565342445 is a deficient number, since it is larger than the sum of its proper divisors (939205491).

1565342445 is a wasteful number, since it uses less digits than its factorization.

1565342445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104356171.

The product of its digits is 288000, while the sum is 39.

The square root of 1565342445 is about 39564.4088165108. The cubic root of 1565342445 is about 1161.1004333999.

The spelling of 1565342445 in words is "one billion, five hundred sixty-five million, three hundred forty-two thousand, four hundred forty-five".