145680828287 has 4 divisors (see below), whose sum is σ = 145681657320. Its totient is φ = 145679999256.

The previous prime is 145680828217. The next prime is 145680828289. The reversal of 145680828287 is 782828086541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 145680828287 - 2²⁸ = 145412392831 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 (145680828289) 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, 35273 + ... + 540930.

It is an arithmetic number, because the mean of its divisors is an integer number (36420414330).

Almost surely, 2^145680828287 is an apocalyptic number.

145680828287 is a deficient number, since it is larger than the sum of its proper divisors (829033).

145680828287 is an equidigital number, since it uses as much as digits as its factorization.

145680828287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829032.

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 145680828287 in words is "one hundred forty-five billion, six hundred eighty million, eight hundred twenty-eight thousand, two hundred eighty-seven".