145803715567 has 4 divisors (see below), whose sum is σ = 154380404736. Its totient is φ = 137227026400.

The previous prime is 145803715549. The next prime is 145803715571. The reversal of 145803715567 is 765517308541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765517308541 = 907 ⋅844010263.

It is a cyclic number.

It is not a de Polignac number, because 145803715567 - 2¹¹ = 145803713519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145803715537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288344559 + ... + 4288344592.

It is an arithmetic number, because the mean of its divisors is an integer number (38595101184).

Almost surely, 2^145803715567 is an apocalyptic number.

145803715567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145803715567 is a deficient number, since it is larger than the sum of its proper divisors (8576689169).

145803715567 is an equidigital number, since it uses as much as digits as its factorization.

145803715567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576689168.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 145803715567 in words is "one hundred forty-five billion, eight hundred three million, seven hundred fifteen thousand, five hundred sixty-seven".